ARIZONA PUBLIC SERVICE CO
S-3, 1995-11-20
ELECTRIC & OTHER SERVICES COMBINED
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  AS FILED WITH THE SECURITIES AND EXCHANGE COMMISSION ON NOVEMBER 20, 1995
                                              REGISTRATION NO. 33-
===============================================================================
                      SECURITIES AND EXCHANGE COMMISSION
                            WASHINGTON, D.C. 20549
                                  ----------
                                   FORM S-3
                            REGISTRATION STATEMENT
                                    Under
                          THE SECURITIES ACT OF 1933
                                  ----------
                        ARIZONA PUBLIC SERVICE COMPANY
            (EXACT NAME OF REGISTRANT AS SPECIFIED IN ITS CHARTER)

            ARIZONA                                         86-0011170     
    (STATE OF INCORPORATION)                             (I.R.S. EMPLOYER      
                                                        IDENTIFICATION NUMBER) 
                             400 North Fifth Street
                            Phoenix, Arizona 85004
                                (602) 250-1000
   (ADDRESS, INCLUDING ZIP CODE AND TELEPHONE NUMBER, INCLUDING AREA CODE,
                 OF REGISTRANT'S PRINCIPAL EXECUTIVE OFFICES)
                                  ----------
                              MATTHEW P. FEENEY
                            Snell & Wilmer L.L.P.
                              One Arizona Center
                            Phoenix, Arizona 85073
                                (602) 382-6239
           (NAME, ADDRESS, INCLUDING ZIP CODE AND TELEPHONE NUMBER,
                  INCLUDING AREA CODE, OF AGENT FOR SERVICE)
                                  ----------
   Approximate date of commencement of proposed sale to the public: From time to
time after the effective date of this Registration  Statement,  as determined by
market conditions and other factors.
                                   ----------
   If the only  securities  being  registered  on this  Form are  being  offered
pursuant to dividend or interest  reinvestment plans, please check the following
box. [ ]
   If any of the securities being registered on this Form are to be offered on a
delayed or continuous  basis  pursuant to Rule 415 under the  Securities  Act of
1933, other than securities offered only in connection with dividend or interest
reinvestment plans, check the following box. [X]
   If this  Form is filed to  register  additional  securities  for an  offering
pursuant to Rule 462(b) under the Securities Act, please check the following box
and list  the  Securities  Act  Registration  Statement  number  of the  earlier
effective registration statement for the same offering. [ ]
   If this Form is a  post-effective  amendment  filed  pursuant  to Rule 462(c)
under the  Securities  Act,  check the following box and list the Securities Act
registration  statement number of the earlier effective  registration  statement
for the same offering. [ ]
   If delivery of the  prospectus  is expected to be made  pursuant to Rule 434,
please check the following box. [x] 
                                   ----------
         C A L C U L A T I O N   O F   R E G I ST R A T I O N   F E E
===============================================================================
                                          Proposed     Proposed
                                          Maximum      Maximum
                                Amount    Offering     Aggregate     Amount of
   Title of Each Class of       to be     Price        Offering    Registration
Securities to be Registered   Registered  Per Unit      Price          Fee
- -------------------------------------------------------------------------------
First Mortgage Bonds           (1)(3)       (2)        (1)(2)(3)       N/A
- -------------------------------------------------------------------------------
Debt Securities                (1)(4)       (2)        (1)(2)(4)       N/A
- -------------------------------------------------------------------------------
   Total                    $25,000,000     (2)       $25,000,000   $8,621(5)
===============================================================================
(1) In no event will the  aggregate  initial  offering  price of all  securities
    issued from time to time  pursuant  to this  Registration  Statement  exceed
    $25,000,000.  If  any  such  securities  are  issued  at an  original  issue
    discount,  then the aggregate  initial offering price as so discounted shall
    not exceed $25,000,000,  notwithstanding that the stated principal amount of
    such securities may exceed such amount.
(2) The proposed  maximum  initial  offering  price per unit will be determined,
    from time to time, by the Registrant in connection  with the issuance by the
    Registrant of the securities registered hereunder.
(3) Subject  to  Footnote  (1),   there  are  being   registered   hereunder  an
    indeterminate  principal amount of First Mortgage Bonds as may be sold, from
    time to time, by the Registrant.
(4) Subject  to  Footnote  (1),   there  are  being   registered   hereunder  an
    indeterminate  principal amount of Debt Securities as may be sold, from time
    to time, by the Registrant.
(5) Calculated  pursuant to Rule 457(o) of the rules and  regulations  under the
    Securities Act of 1933.
   Pursuant to Rule 429 of the rules and regulations under the Securities Act of
1933, this Registration Statement contains a combined prospectus relating to the
$25,000,000  principal  amount  of  securities  registered  hereby,  $25,000,000
principal  amount of  securities  registered  on  October  3, 1994  pursuant  to
Registration No. 33-55473,  and $100,000,000  principal amount of First Mortgage
Bonds registered on April 26, 1993 pursuant to Registration  No.  33-61228.  The
previously-paid filing fees associated with the referenced securities registered
under  Registration  Nos.  33-55473  and 33-61228  totalled  $8,621 and $34,483,
respectively.  
   The  Registrant  hereby  amends this  Registration  Statement on such date or
dates as may be necessary to delay its effective date until the Registrant shall
file a further  amendment  which  specifically  states  that  this  Registration
Statement shall  thereafter  become effective in accordance with Section 8(a) of
the Securities Act of 1933, or until this  Registration  Statement  shall become
effective on such date as the Commission,  acting pursuant to said Section 8(a),
may determine.
===============================================================================
<PAGE>
INFORMATION   CONTAINED  HEREIN  IS  SUBJECT  TO  COMPLETION  OR  AMENDMENT.   A
REGISTRATION  STATEMENT  RELATING  TO THESE  SECURITIES  HAS BEEN FILED WITH THE
SECURITIES  AND EXCHANGE  COMMISSION.  THESE  SECURITIES MAY NOT BE SOLD NOR MAY
OFFERS TO BUY BE ACCEPTED PRIOR TO THE TIME THE REGISTRATION  STATEMENT  BECOMES
EFFECTIVE.  THIS  PROSPECTUS  SHALL  NOT  CONSTITUTE  AN  OFFER  TO  SELL OR THE
SOLICITATION OF AN OFFER TO BUY NOR SHALL THERE BE ANY SALE OF THESE  SECURITIES
IN ANY STATE IN WHICH SUCH OFFER,  SOLICITATION  OR SALE WOULD BE UNLAWFUL PRIOR
TO REGISTRATION OR QUALIFICATION UNDER THE SECURITIES LAWS OF ANY SUCH STATE.


                SUBJECT TO COMPLETION, DATED NOVEMBER 20, 1995

                                 $150,000,000

                        ARIZONA PUBLIC SERVICE COMPANY

                             FIRST MORTGAGE BONDS
                               DEBT SECURITIES

                                  ----------

    Arizona Public Service Company (the "Company")  intends from time to time to
issue up to $150,000,000 aggregate principal amount of its securities,  at least
$100,000,000  of which will consist of First  Mortgage Bonds of the Company (the
"New Bonds"), and the remaining  $50,000,000 of which will consist of either New
Bonds or other debt  securities of the Company (the "Debt  Securities"),  or any
combination  thereof,  in one or  more  series  at  prices  and on  terms  to be
determined  at the time of sale.  The New Bonds and the Debt  Securities  may be
collectively referred to in this Prospectus as the "Securities".

    For each issue of Securities  for which this  Prospectus is being  delivered
(the "Offered Bonds" or the "Offered Debt  Securities"  and,  collectively,  the
"Offered Securities"),  there will be an accompanying Prospectus Supplement (the
"Prospectus  Supplement") that sets forth,  without limitation and to the extent
applicable, the specific designation,  aggregate principal amount, denomination,
maturity,  premium, if any, rate of interest (which may be fixed or variable) or
method of  calculation  thereof,  time of  payment  of  interest,  any terms for
redemption,  any sinking fund provisions,  any subordination  provisions (in the
case of the Debt Securities  only), the initial public offering price, the names
of any underwriters or agents, the principal amounts, if any, to be purchased by
the underwriters, the compensation of such underwriters or agents, and any other
special terms of the Offered Securities.  The Prospectus  Supplement relating to
any  series of  Offered  Securities  will also  contain  information  concerning
certain United States federal  income tax  considerations,  if applicable to the
Offered Securities.

                                   ----------

 THESE SECURITIES HAVE NOT BEEN APPROVED OR DISAPPROVED BY THE SECURITIES AND
    EXCHANGE COMMISSION OR ANY STATE SECURITIES COMMISSION NOR HAS THE
       SECURITIES AND EXCHANGE COMMISSION OR ANY STATE SECURITIES
        COMMISSION PASSED UPON THE ACCURACY OR ADEQUACY OF THIS
          PROSPECTUS. ANY REPRESENTATION TO THE CONTRARY IS A
                              CRIMINAL OFFENSE.
         
                         ----------

                 The date of this Prospectus is       , 1995.
<PAGE>

                            AVAILABLE INFORMATION

    Arizona   Public  Service   Company  (the   "Company")  is  subject  to  the
informational  requirements  of the Securities  Exchange Act of 1934, as amended
(the "1934 Act"), and in accordance  therewith files reports,  proxy statements,
and  other  information  with  the  Securities  and  Exchange   Commission  (the
"Commission").  Such reports,  proxy  statements,  and other  information can be
obtained at prescribed rates from the Public Reference Section of the Commission
or may be inspected and copied at the public reference facilities  maintained by
the Commission at 450 Fifth Street, N.W., Room 1024, Washington,  D.C. 20549 and
at certain of its regional  offices  located at 500 West Madison  Street,  Suite
1400,  Chicago,  Illinois 60661;  and Seven World Trade Center,  Suite 1300, New
York,  New York 10048.  Certain  securities of the Company are listed on the New
York Stock Exchange.  Reports, proxy materials, and other information concerning
the Company can be inspected at the office of this  exchange at 20 Broad Street,
7th Floor, New York, New York 10005.

                                   ----------

               INCORPORATION OF CERTAIN DOCUMENTS BY REFERENCE

    The following documents  previously filed with the Commission by the Company
(File No. 1-4473) are incorporated by reference in this Prospectus:

    1. The  Company's  Form 10-K Report for the fiscal year ended  December  31,
1994 (the "1994 10-K Report");

    2. The Company's  Form 10-Q Reports for the fiscal  quarters ended March 31,
June 30, and September 30, 1995 (the "September 10-Q Report"); and

    3. The Company's Form 8-K Reports, dated January 1 and September 29, 1995.

    All documents filed by the Company pursuant to Sections 13(a), 13(c), 14, or
15(d) of the 1934 Act after the filing  date of the  September  10-Q  Report and
prior to the termination of the offering of the securities  offered hereby shall
be deemed to be  incorporated  by reference in this  Prospectus and to be a part
hereof from the date of filing of such documents.

    Any statement contained in a document incorporated by reference herein shall
be deemed to be modified or  superseded  for purposes of this  Prospectus to the
extent  that a statement  contained  herein or in any other  subsequently  filed
document which is also  incorporated by reference  herein modifies or supersedes
such  statement.  Any statement so modified or  superseded  shall not be deemed,
except as modified or superseded, to constitute a part of this Prospectus.

    The Company  will  provide  without  charge to each  person,  including  any
beneficial owner, to whom a copy of this Prospectus is delivered,  upon the oral
or  written  request  of  such  person,  a copy  of any or all of the  documents
referred to above which have been or may be  incorporated  in this Prospectus by
reference, other than exhibits to such documents. Request for such copies should
be directed to Arizona Public Service Company, Office of the Secretary,  Station
9068, P.O. Box 53999, Phoenix, Arizona 85072-3999, (602) 250-3252.

<PAGE>
                             SELECTED INFORMATION

    The  following  material is  qualified  in its  entirety by reference to the
detailed information and financial statements  incorporated by reference in this
Prospectus.

                                  THE OFFERING

Securities Offered .......................  Up to $150,000,000 of First Mortgage
                                            Bonds  or  up  to   $100,000,000  of
                                            First  Mortgage   Bonds  and  up  to
                                            $50,000,000  of any  combination  of
                                            First   Mortgage   Bonds   and  Debt
                                            Securities.
Application of Proceeds ..................  Except as otherwise described in the
                                            Prospectus   Supplement,  the    net
                                            proceeds  of  the Offered Securities
                                            will   be   applied primarily to the
                                            redemption,  repurchase,  repayment,
                                            or    retirement    of   outstanding
                                            indebtedness, and temporary  invest-
                                            ment pending such application.

                                  THE COMPANY

Business .................................  Electric  utility  servicing approx-
                                            imately 681,000 customers in an area
                                            that  includes  all or part of 11 of
                                            Arizona's 15 counties.
Generating Fuel Mix (estimated for the
 twelve months ended September 30,
 1995)....................................  Coal--54.1%;  Nuclear--40.1%;  Gas--
                                            5.7%;  Other--0.1%.
<TABLE>
<CAPTION>
FINANCIAL DATA (THOUSANDS OF DOLLARS):
                                                             TWELVE MONTHS ENDED
                                          ------------------------------------------------------------
                                                                                DECEMBER 31,
                                                              ----------------------------------------
                                          SEPTEMBER 30,1995(1)     1994         1993          1992
                                          ------------------- ------------ ------------- -------------
<S>                                            <C>             <C>          <C>           <C>
Electric Operating Revenues  .....            $1,608,308       $1,626,168   $ 1,602,413   $ 1,587,582
                                              ===========      ============ ============= =============
Net Income .......................            $  242,529       $  243,486   $   250,386   $   246,805
                                              ===========      ============ ============= =============
Ratio of Earnings to Fixed Charges                  2.82             2.96          2.99          2.73
</TABLE>
<TABLE>
<CAPTION>
CAPITALIZATION DATA (THOUSANDS OF DOLLARS):
                                                                                     AS ADJUSTED(2)
                                                          AS OF               -------------------------
                                                    SEPTEMBER 30, 1995          AMOUNT     PERCENTAGE
                                                    ------------------        ------------ ------------
<S>                                                    <C>                        <C>          <C>
Long-Term Debt (excluding current maturities)          $2,153,116              $2,132,616    52.6%
Redeemable Preferred Stock ...................             75,000                  75,000     1.9
Non-Redeemable Preferred Stock ...............            193,561                 193,561     4.8
Common Stock Equity ..........................          1,648,886               1,648,886    40.7
                                                    ------------------        ------------ ------------
Total Capitalization .........................         $4,070,563              $4,050,063   100.0%
                                                    ==================        ============ ============
- ----------
(1) Financial  data as of and for the twelve months ended  September 30, 1995 is
    unaudited  but, in the judgment of the  Company's  management,  contains all
    necessary  adjustments for a fair presentation of the financial  position of
    the Company on such date and the results of operations for such period.
(2) For the Company's repurchase and incurrence of approximately $24 million and
    $4 million,  respectively,  of  long-term  debt.  It is assumed that the net
    proceeds  from the issuance of the Offered  Securities  will be used for the
    redemption,  repurchase,  repayment,  or retirement  of a similar  amount of
    outstanding long-term debt.
</TABLE>

<PAGE>
                                 THE COMPANY

    The  Company  was  incorporated  in 1920  under the laws of  Arizona  and is
principally  engaged  in  providing  electricity  in the State of  Arizona.  The
principal  executive  offices of the  Company  are  located  at 400 North  Fifth
Street, Phoenix, Arizona 85004 and its telephone number is (602) 250-1000.

                           APPLICATION OF PROCEEDS

    Except as otherwise described in the Prospectus Supplement, the net proceeds
of  the  Offered  Securities  will  be  applied  primarily  to  the  redemption,
repurchase,  repayment, or retirement of outstanding indebtedness.  Any proceeds
not  immediately so applied when received may be invested  temporarily,  pending
such application, in United States government or agency obligations,  commercial
paper, bank certificates of deposit, or repurchase agreements  collateralized by
United States government or agency obligations, or will be deposited with banks.

                               EARNINGS RATIOS

    The following table sets forth the Company's historical ratio of earnings to
fixed charges for each of the indicated periods:

                               TWELVE MONTHS ENDED
- --------------------------------------------------------------------------------
                                               DECEMBER 31,
 SEPTEMBER 30,               ---------------------------------------------------
      1995                    1994        1993        1992        1991     1990
- ---------------              ------      ------      ------      ------   ------
      2.82                    2.96        2.99        2.73         (1)     2.05

- ----------
(1) A write-off  resulting from a December 1991 Arizona  Corporation  Commission
    ("ACC") order  settling the Company's  then-pending  rate case resulted in a
    negative coverage ratio and an earnings coverage deficiency of approximately
    $317 million for the twelve  months ended  December 31, 1991.  Excluding the
    effects of the  write-off,  the coverage  ratio would have been 2.11 for the
    same period.

    For the purposes of these computations, "earnings" are defined as the sum of
pre-tax  income plus fixed charges of the Company and its  subsidiaries;  "fixed
charges"  consist of interest on debt,  amortization of debt discount,  premium,
and expense and an estimated interest factor in rentals.

                           DESCRIPTION OF NEW BONDS

GENERAL

    The New Bonds may be issued in one or more new series under the Mortgage and
Deed of Trust  dated as of July 1, 1946  between the Company and The Bank of New
York, as successor  Trustee ("Bond  Trustee"),  which as heretofore  amended and
supplemented is herein referred to as the "Mortgage," and which is to be further
amended  and  supplemented  by  appropriate   Supplemental   Indentures   ("Bond
Supplemental Indentures"). The following summary does not purport to be complete
and is subject in all  respects to the  provisions  of, and is  qualified in its
entirety by reference to, the Mortgage, the New Bonds, and the Bond Supplemental
Indentures,  the forms of which are filed,  or will be filed, as exhibits to the
registration   statement  of  which  this  Prospectus  forms  a  part.  Whenever
particular  provisions or defined terms in such documents are referred to herein
or in a Prospectus Supplement, such provisions or defined terms are incorporated
by reference herein or therein, as the case may be.

    Reference is made to the  Prospectus  Supplement  relating to any particular
issue of Offered Bonds for the  following  terms:  (1) the  aggregate  principal
amount of the Offered  Bonds;  (2) the date on which such Offered  Bonds mature;
(3) the rate per annum at which such Offered Bonds will bear  interest;  (4) the
times at which such interest will be payable;  (5) the date, if any, after which
such  Offered  Bonds  may be  redeemed  at the  option  of the  Company  and the
redemption  price;  (6)  whether any of such  Offered  Bonds will be issuable in
whole or in part in the form of one or more  Global  Securities  and, if so, the
Depositaries for such Global Securities, the form of any legend or legends to be
borne by any such Global Security,  and any  circumstances  under which any such
Global  Security  may be  exchanged  in  whole  or in part  for  Offered  Bonds,
registered  in the names of persons  other than the  Depositary  for such Global
Security or its nominee; and (7) any other special terms.  Interest will be paid
to the person in whose name the  Offered  Bonds are  registered  at the close of
business on the record date, as established in the Bond  Supplemental  Indenture
relating  thereto,  preceding the interest payment date in respect thereof.  The
New  Bonds  will be  issued  as fully  registered  bonds,  without  coupons,  in
denominations  of  $1,000  and  multiples   thereof.   The  New  Bonds  will  be
transferable  at any time without any service or other charge,  except  transfer
taxes and other governmental charges, if any.

    Except as otherwise described under the heading "Description of New Bonds --
Issuance of Additional  Bonds" or in the  Prospectus  Supplement,  the covenants
contained in the Mortgage and the New Bonds would not afford  holders of the New
Bonds protection in the event of a  highly-leveraged  transaction  involving the
Company.

REDEMPTION

    The Offered Bonds are redeemable as set forth in the  Prospectus  Supplement
relating thereto and, subject to any  qualifications  or variations set forth in
any such Prospectus Supplement,  are also subject to redemption, in each case at
the principal  amount of the Offered Bonds to be redeemed  together with accrued
interest  to the date  fixed  for  redemption,  (i) in whole or in part with the
proceeds from  mortgaged  property of the Company taken under eminent domain by,
or otherwise  sold to, a governmental  body or agency;  (ii) in whole or in part
with the  Proceeds of Released  Property,  including  proceeds  from the sale or
other disposition (including a sale and leaseback) of property released from the
lien of the  Mortgage  as  specified  in  section  (b) of the second to the last
paragraph under the heading  "Description of New Bonds -- Security"  below;  and
(iii) in whole, together with all other first mortgage bonds of the Company then
outstanding,  within  twelve  months of certain  mergers  or other  transactions
involving the transfer of substantially  all of the property subject to the lien
of the Mortgage,  as then amended. In addition,  after the date and at the price
set forth in the Prospectus  Supplement,  Offered Bonds may be redeemed in whole
or in part with cash deposited in the replacement fund discussed below.

SECURITY

    The New Bonds will rank pari passu, except as to any sinking fund or similar
fund provided for a particular  series,  with all bonds at any time  outstanding
under  the  Mortgage.   The  Mortgage  constitutes  a  first  mortgage  lien  on
substantially  all the  fixed  property  owned by the  Company  (which  does not
include a combined cycle plant or certain  interests in Unit 2 of the Palo Verde
Nuclear  Generating  Station being  leased),  other than  property  specifically
excepted by the Mortgage.  Such lien and the  Company's  title to certain of its
properties  are  subject to Excepted  Encumbrances,  to minor  leases,  defects,
irregularities, and deficiencies, and to the considerations discussed below with
respect to the Four Corners and Navajo Plant locations. The lien of the Mortgage
will  also  extend  to all  after-acquired  property  (other  than the  excepted
classes)  located in the  jurisdictions  in which the necessary  recordations or
filings have been  accomplished,  subject to Excepted  Encumbrances and to liens
existing  or  placed  on such  property  at the time of its  acquisition  by the
Company.

    Both the Four Corners and the Navajo  Plants are located on property held by
the plant participants under leases from the Navajo Tribe and easements from the
Secretary of the  Interior.  The leases extend from their  respective  effective
dates in 1966 and 1969 for terms of 50 years with rights of renewal for up to 25
additional  years.  The easements are for 50-year terms from the same  effective
dates.  While the Company owns the rights  conferred  upon it by the leases from
the Navajo Tribe, the Company does not make any  representation  with respect to
the Tribe's interest in the lands leased (but is not aware of any assertion of a
contesting  claim to such lands) or with  respect to the  enforceability  of the
leases against the Tribe.

     The Mortgage requires the Company to keep the property  encumbered  thereby
as an operating  system or systems in good repair and working order, but permits
the  permanent  discontinuance  or reduction in capacity of any such  properties
which, in the judgment of the Board of Directors of the Company, is desirable in
the conduct of its  business or which is ordered by a  regulatory  authority  or
which properties are to be sold or disposed of by the Company.

    When not in default under the  Mortgage,  the Company may obtain the release
from the lien thereof of (a) property that has become  unserviceable,  obsolete,
or unnecessary  for use in the Company's  operations,  provided that it replaces
such  property  with,  or  substitutes  for the  same,  an equal  value of other
property,  and (b) other  property that has been sold or otherwise  disposed of,
provided  that the Company  deposits  with the Bond  Trustee  cash in an amount,
waives  the  right  to issue  additional  bonds on the  basis of  retired  bonds
previously issued in an amount,  or utilizes as a credit net Property  Additions
acquired by the Company  within the preceding five years and having a fair value
(not more than Cost), equal to the fair value of the property to be released.

    The Bond  Trustee may,  and upon  request of the Company  shall,  cancel and
discharge  the lien of the  Mortgage  and all  indentures  supplemental  thereto
whenever all indebtedness secured by the Mortgage has been paid.

ISSUANCE OF ADDITIONAL BONDS

    Additional  bonds may be issued  under the  Mortgage in a  principal  amount
equal to (a) 60% of net Property Additions,  (b) the principal amount of certain
redeemed or retired bonds previously issued, and/or (c) deposited cash, provided
that the Company's Adjusted Net Earnings over a twelve-month period are at least
two times the annual interest on all bonds to be outstanding  under the Mortgage
after the issuance and on  indebtedness  secured by prior liens.  Exceptions  to
this  earnings  coverage  requirement  apply to  bonds  issued  on the  basis of
redeemed or retired bonds where the redeemed or retired bonds bore a higher rate
of interest and where certain other conditions are satisfied.  In addition,  the
Company's  articles  of  incorporation  allow the  Company  to issue  additional
preferred stock when certain earnings coverage  requirements are met. Exceptions
to this earnings  coverage  requirement  apply to preferred stock issued for the
purpose of redeeming or retiring other preferred stock.

    As of September 30, 1995, and adjusting for the repurchase and incurrence of
approximately $24 million and $4 million,  respectively,  of long-term debt, the
Company estimates that the Mortgage and the articles of incorporation would have
allowed  the  Company to issue up to  approximately  $1.516  billion  and $1.043
billion of additional first mortgage bonds and preferred stock, respectively.

    In  addition  to the  Mortgage  restrictions  on the  Company's  issuance of
additional  bonds,  the Company must obtain ACC approval  before  issuing equity
securities or incurring long-term debt. Existing ACC orders allow the Company to
have  approximately  $501 million in aggregate par value of preferred  stock and
approximately  $2.6 billion in principal amount of long-term debt outstanding at
any one time. The Company does not expect these provisions or  authorizations to
limit the Company's ability to meet its capital requirements.

    Property Additions, and in many instances redeemed or retired bonds, as well
as  deposited  cash,  may be used for  certain  alternative  purposes  under the
Mortgage,  including  the  release  of  property  from the lien  thereof  or the
satisfaction of sinking or replacement fund requirements.  The Mortgage contains
restrictions  on the  issuance  of bonds,  withdrawal  of cash,  or  release  of
property on the basis of property  subject to prior liens.  Property  located on
leaseholds or easements  (as, for example,  the Four Corners and Navajo  Plants)
will constitute  fundable Property Additions if the leasehold or easement has an
unexpired  term of, or the term is extendable  at the  Company's  option for, at
least 30 years after the time of funding,  or if the  property may be removed by
the Company without compensation.

REPLACEMENT FUND

     So long as any of the New Bonds are  outstanding,  the  Company is required
for each calendar  year to deposit with the Bond Trustee cash in a  formularized
amount  related to net  additions  to the  Company's  mortgaged  utility  plant;
however, the Company may satisfy all or any part of the requirement by utilizing
redeemed or retired bonds, net Property Additions, or property retirements.  For
1994, such requirement amounted to approximately $125 million. Any cash that may
be deposited by the Company pursuant to the requirement may, upon request by the
Company, be applied to the redemption or purchase of bonds and, if not withdrawn
against  Property  Additions  or retired  bonds  within five  years,  must be so
applied,  subject in each case to any  restrictions  on any such  redemption  or
purchase  as set forth in the  Prospectus  Supplement  relating  to the issue of
bonds to be redeemed or purchased. For example, the cash deposited with the Bond
Trustee by the  Company in partial  satisfaction  of its 1994  replacement  fund
requirements was used to redeem $49.15 million in aggregate  principal amount of
the Company's First Mortgage  Bonds,  10.25% Series due 2000, at their principal
amount plus accrued interest.

EVENTS OF DEFAULT

    The  following  are  defaults  under the  Mortgage:  (a)  failure to pay the
principal of any bond outstanding  under the Mortgage when due and payable;  (b)
failure to pay interest on any bond  outstanding  under the  Mortgage  within 60
days after the same is due and payable;  (c) failure to pay any  installment  of
any  fund  required  to be  applied  to the  purchase  or  redemption  of  bonds
outstanding under the Mortgage within 60 days after the same is due and payable;
(d) certain events in bankruptcy, insolvency, or reorganization; and (e) failure
to perform  any other  covenant  of the  Mortgage  continuing  for 90 days after
notice by the Bond  Trustee or holders of 15% in  principal  amount of  Eligible
bonds.  The  Mortgage  allows  the Bond  Trustee to  withhold  notice of certain
defaults,  not including any default in the payment of principal of, or interest
on,  any  bond  outstanding,  or in the  payment  of any  sinking,  improvement,
replacement,  or purchase fund installment,  if it in good faith determines that
the withholding of such notice is in the interests of the bondholders.

    The  holders of not less than a majority  in  principal  amount of  Eligible
bonds may direct the time,  method,  and place of conducting  any proceeding for
any remedy available to the Bond Trustee under the Mortgage;  provided, however,
that the  Trustee  may  decline  to  follow  any such  direction  under  certain
circumstances,  including a determination made in good faith by the Bond Trustee
that it will not be sufficiently indemnified for any expenditures, including its
own charges, in any action or proceeding so directed. The Company is required to
file with the Bond Trustee,  on or before July 1 of each year, a certificate  to
the effect that,  except as otherwise  stated therein,  the Company has complied
with  all of the  provisions  of  the  Mortgage  and  is  not  then  in  default
thereunder.

MODIFICATION OF THE MORTGAGE

    The Mortgage and the rights of bondholders  may be modified with the consent
of the  Company,  and of the Bond  Trustee if deemed  affected,  and the vote or
assent of the holders of not less than 70% in  principal  amount of the Eligible
bonds, and of not less than 70% in principal amount of the Eligible bonds of any
one or more series  (less than all)  affected by any such  modification;  except
that the  bondholders,  without the consent of the holder of each bond affected,
have no power to (a) reduce the principal  thereof,  or the premium,  if any, or
rate of interest  thereon or otherwise modify the terms of payment of principal,
premium,  or  interest,  or extend the  maturity  of any  bonds,  (b) permit the
creation  of any  lien  ranking  prior  to or on a  parity  with the lien of the
Mortgage  with  respect  to any of  the  mortgaged  property,  (c)  deprive  any
nonassenting  bondholder of a lien upon the mortgaged  property for the security
of his or her bonds,  or (d) reduce the percentage of bondholders  authorized to
effect any such modification.

GLOBAL SECURITIES

    Some or all of the New Bonds of any series may be  represented,  in whole or
in  part,  by one or more  "Global  Securities"  which  will  have an  aggregate
principal amount equal to that of the New Bonds represented thereby. Each Global
Security will be  registered  in the name of a depositary  or a nominee  thereof
identified in the applicable Prospectus Supplement,  will be deposited with such
depositary or nominee or a custodian  therefor and will bear a legend  regarding
the  restrictions on exchanges and  registration of transfer thereof referred to
below  and any  such  other  matters  as may be  provided  for  pursuant  to the
applicable Bond Supplemental Indenture.

    Notwithstanding  any  provision  of the  Mortgage or any New Bond  described
herein,  no Global  Security  may be exchanged in whole or in part for New Bonds
registered,  and no  transfer  of a Global  Security  in whole or in part may be
registered,  in the name of any person other than the depositary for such Global
Security  or any  nominee  of such  depositary  unless  (i) the  depositary  has
notified the Company  that it is  unwilling or unable to continue as  depositary
for  such  Global  Security  or has  ceased  to be  qualified  to act as such as
required by the  Mortgage,  (ii) there shall have  occurred and be  continuing a
default with  respect to the New Bonds  represented  by such Global  Security or
(iii) there shall exist such circumstances, if any, in addition to or in lieu of
those described  above as may be described in the applicable  Bond  Supplemental
Indenture and Prospectus  Supplement.  All  securities  issued in exchange for a
Global  Security or any portion  thereof will be registered in such names as the
depositary may direct.

    As long as the  depositary,  or its nominee,  is the registered  holder of a
Global  Security,  the  depositary or such nominee,  as the case may be, will be
considered  the sole owner and holder of such Global  Security and the New Bonds
represented  thereby  for all  purposes  under the New  Bonds and the  Mortgage.
Except in the  limited  circumstances  referred to above,  owners of  beneficial
interests in a Global Security will not be entitled to have such Global Security
or any New Bonds represented thereby registered in their names, will not receive
or be  entitled  to  receive  physical  delivery  of  certificated  New Bonds in
exchange therefor and will not be considered to be the owners or holders of such
Global Security or any New Bonds  represented  thereby for any purpose under the
New Bonds or the  Mortgage.  All  payments of  principal  of and any premium and
interest on a Global Security will be made to the depositary or its nominee,  as
the case may be, as the holder thereof.  The laws of some jurisdictions  require
that certain  purchasers of securities take physical delivery of such securities
in  definitive  form.  These laws may impair the ability to transfer  beneficial
interests in a Global Security.

    Ownership of  beneficial  interests in a Global  Security will be limited to
institutions   that  have   accounts   with  the   depositary   or  its  nominee
("participants")  and to  persons  that may hold  beneficial  interests  through
participants.  In  connection  with the  issuance  of any Global  Security,  the
depositary will credit, on its book-entry  registration and transfer system, the
respective  principal amounts of New Bonds represented by the Global Security to
the accounts of its participants.  Ownership of beneficial interests in a Global
Security  will be shown only on, and the transfer of those  ownership  interests
will be effected  only  through,  records  maintained  by the  depositary  (with
respect to  participants'  interests) or any such  participant  (with respect to
interests  of persons  held by such  participants  on their  behalf).  Payments,
transfers,  exchanges,  and other matters relating to beneficial  interests in a
Global Security may be subject to various policies and procedures adopted by the
depositary from time to time. None of the Company, the Bond Trustee or any agent
of the Company or the Bond Trustee will have any responsibility or liability for
any aspect of the depositary's or any participant's  records relating to, or for
payments made on account of, beneficial  interests in a Global Security,  or for
maintaining,  supervising,  or reviewing any records relating to such beneficial
interests.

    Secondary  trading in notes and debentures of corporate issuers is generally
settled in clearing- house or next-day funds. In contrast,  beneficial interests
in a Global  Security,  in some cases,  may trade in the  depositary's  same-day
funds  settlement  system,  in which case secondary  market trading  activity in
those  beneficial  interests  would be required by the  depositary  to settle in
immediately  available  funds.  There is no assurance as to the effect,  if any,
that settlement in immediately available funds would have on trading activity in
such  beneficial  interests.   Also,  settlement  for  purchases  of  beneficial
interests  in a  Global  Security  upon the  original  issuance  thereof  may be
required to be made in immediately available funds.

OTHER

    The  Mortgage  restricts  the payment of  dividends  on common  stock of the
Company under certain  conditions  which have not existed in the past and do not
currently exist.

     The Bond Trustee, security registrar and paying agent under the Mortgage is
The Bank of New York. The Company maintains normal banking arrangements with The
Bank of New York,  which  includes two  commitments  in the aggregate  principal
amount  of  approximately  $35.7  million  by The Bank of New York  pursuant  to
reimbursement  agreements  related to letters of credit  issued on behalf of the
Company in connection with issuances of pollution control bonds, the proceeds of
which were made  available  to the  Company,  none of which was  outstanding  at
September  30,  1995.  The Bank of New York also  serves as (i)  trustee for the
holders of several  issues of  pollution  control  bonds issued on behalf of the
Company,  (ii) trustee under the  Indenture  relating to the  subordinated  Debt
Securities,  (iii) investment manager for the Company's nonunion post-retirement
medical fund, and (iv) custodian of  international  fixed-income  assets for the
Company's pension plan.

                        DESCRIPTION OF DEBT SECURITIES

GENERAL

    The  Debt  Securities  may be  issued  in one or more  new  series  under an
Indenture or Indentures between the Company and (i) The Bank of New York, in the
case of  subordinated  Debt  Securities,  and (ii) Chemical Bank, in the case of
senior Debt  Securities,  or any other trustees to be named, as Trustee (each, a
"Trustee"). The following summary does not purport to be complete and is subject
in all  respects  to the  provisions  of, and is  qualified  in its  entirety by
reference to, the Indentures  pursuant to which the subordinated and senior Debt
Securities are to be issued and to the Debt  Securities,  the forms of which are
filed, or will be filed, as exhibits to the registration statement of which this
Prospectus forms a part. Whenever particular provisions or defined terms in such
documents are referred to herein or in a Prospectus Supplement,  such provisions
or terms are incorporated by reference herein or therein, as the case may be.

    The Debt Securities will be unsecured  obligations of the Company.  Separate
Indentures  will be used  for  senior  Debt  Securities  and  subordinated  Debt
Securities,  respectively,  although the  description  of the Indenture  herein,
except as specifically stated otherwise, applies to both Indentures.

     Reference is made to the Prospectus  Supplement  relating to any particular
issue of Offered Debt Securities for the following  terms: (1) the title of such
Debt  Securities;  (2) any limit on the aggregate  principal amount of such Debt
Securities  or the  series  of which  they are a part;  (3) the date or dates on
which the principal of any of such Debt Securities will be payable; (4) the rate
or rates at which any of such Debt  Securities  will bear interest,  if any, the
date or dates from which any such  interest  will accrue,  the Interest  Payment
Dates on which any such interest will be payable and the Regular Record Date for
any such interest  payable on any Interest Payment Date; (5) the place or places
where  the  principal  of and any  premium  and  interest  on any of  such  Debt
Securities will be payable; (6) the period or periods within which, the price or
prices  at  which  and the  terms  and  conditions  on  which  any of such  Debt
Securities  may be redeemed,  in whole or in part, at the option of the Company;
(7) the  obligation,  if any, of the  Company to redeem or purchase  any of such
Debt  Securities  pursuant to any sinking fund or analogous  provision or at the
option of the Holder thereof,  and the period or periods within which, the price
or  prices  at which  and the  terms  and  conditions  on which any of such Debt
Securities will be redeemed or purchased,  in whole or in part,  pursuant to any
such obligation; (8) the denominations in which any of such Debt Securities will
be issuable,  if other than  denominations  of $1,000 and any integral  multiple
thereof;  (9) if the amount of principal of or any premium or interest on any of
such Debt Securities may be determined with reference to an index or pursuant to
a formula,  the manner in which such amounts will be  determined;  (10) if other
than the currency of the United States of America, the currency,  currencies, or
currency  units in which the  principal  of or any premium or interest on any of
such  Debt  Securities  will  be  payable  and the  manner  of  determining  the
equivalent  thereof  in the  currency  of the United  States of America  for any
purpose, including for purposes of determining the principal amount deemed to be
Outstanding at any time;  (11) if the principal of or any premium or interest on
any of such Debt Securities is to be payable,  at the election of the Company or
the Holder  thereof,  in one or more  currencies,  or currency  units other than
those in which such Debt  Securities  are stated to be  payable,  the  currency,
currencies  or  currency  units in which  payment of any such amount as to which
such  election is made will be payable,  the periods  within which and the terms
and conditions  upon which such election is to be made and the amount so payable
(or the manner in which such amount is to be determined); (12) if other than the
entire principal  amount thereof,  the portion of the principal amount of any of
such Debt Securities  which will be payable upon  declaration of acceleration of
the  Maturity  thereof;  (13) if the  principal  amount  payable  at the  Stated
Maturity of any of such Debt  Securities  will not be determinable as of any one
or more dates prior to the Stated  Maturity,  the amount which will be deemed to
be such  principal  amount as of any such date for any  purpose,  including  the
principal  amount  thereof which will be due and payable upon any Maturity other
than the Stated  Maturity  or which will be deemed to be  Outstanding  as of any
such date (or,  in any such  case,  the manner in which  such  deemed  principal
amount is to be determined);  (14) if applicable,  that such Debt Securities, in
whole or any specified  part, are  defeasible  pursuant to the provisions of the
Indenture  described under "Defeasance and Covenant Defeasance -- Defeasance and
Discharge" or "Defeasance  and Covenant  Defeasance -- Covenant  Defeasance," or
under both such  captions;  (15)  whether  any of such Debt  Securities  will be
issuable in whole or in part in the form of one or more Global  Securities  and,
if so, the respective  Depositaries for such Global Securities,  the form of any
legend or legends to be borne by any such  Global  Security in addition to or in
lieu of the legend  referred to under "-- Global  Securities"  and, if different
from those described under such caption,  any circumstances under which any such
Global  Security  may be  exchanged  in whole  or in part  for  Debt  Securities
registered,  and any transfer of such Global Security in whole or in part may be
registered,  in the names of Persons other than the  Depositary  for such Global
Security or its nominee; (16) any addition to or change in the Events of Default
applicable  to any of such Debt  Securities  and any  change in the right of the
Trustee  or the  Holders  to declare  the  principal  amount of any of such Debt
Securities  due and payable;  (17) any addition to or change in the covenants in
the Indenture; and (18) any other terms of such Debt Securities not inconsistent
with the provisions of the Indenture. (Section 301).

    Debt Securities,  including Original Issue Discount Securities,  may be sold
at a substantial  discount below their principal amount.  Certain special United
States federal income tax  considerations (if any) applicable to Debt Securities
sold at an original issue discount may be described in the applicable Prospectus
Supplement.  In addition,  certain  special  United States federal income tax or
other  considerations  (if any)  applicable  to any Debt  Securities  which  are
denominated  in a currency or currency unit other than United States dollars may
be described in the applicable Prospectus Supplement.

    Except as otherwise  described in the Prospectus  Supplement,  the covenants
contained  in  the  Indenture  would  not  afford  holders  of  Debt  Securities
protection in the event of a highly-leveraged transaction involving the Company.

SUBORDINATION

    The Indenture  relating to the subordinated  Debt Securities  provides that,
unless otherwise provided in a supplemental indenture or a Board Resolution, the
Debt Securities will be subordinate and subject in right of payment to the prior
payment in full of all Senior Debt of the Company, whether outstanding as of the
date of the Indenture or thereafter incurred. (Section 1401). The balance of the
information  under  this  "Subordination"  heading  assumes  that  the  relevant
supplemental  indenture or Board Resolution results in the corresponding  series
of Debt Securities being subordinated obligations of the Company.

    No payment of principal of (including redemption and sinking fund payments),
premium, if any, or interest on, the subordinated Debt Securities may be made if
any Senior Debt is not paid when due, any  applicable  grace period with respect
to such default has ended and such  default has not been cured or waived,  or if
the  maturity  of any  Senior  Debt has been  accelerated  because of a default.
(Section 1402). Upon any distribution of assets of the Company to creditors upon
any dissolution, winding-up, liquidation or reorganization, whether voluntary or
involuntary or in bankruptcy, insolvency, receivership or other proceedings, all
principal  of, and  premium,  if any,  and interest due or to become due on, all
Senior  Debt must be paid in full before the  holders of the  subordinated  Debt
Securities are entitled to receive or retain any payment.  (Section  1403).  The
rights of the holders of the  subordinated  Debt Securities will be subordinated
to the rights of the holders of Senior Debt to receive payments or distributions
applicable  to Senior Debt until all amounts  owing on the Debt  Securities  are
paid in full. (Section 1404).

    The term  "Senior  Debt"  shall  mean the  principal  of,  premium,  if any,
interest on and any other payment due pursuant to any of the following,  whether
outstanding  at the date of execution of the Indenture or  thereafter  incurred,
created or assumed: 
        (a) all  indebtedness  of the Company  evidenced  by notes,  debentures,
    bonds,  or other  securities  sold by the Company for money,  including  all
    first mortgage bonds of the Company outstanding from time to time;
        (b) all  indebtedness  of others of the kinds described in the preceding
    clause (a) assumed by or guaranteed in any manner by the Company; and
        (c) all renewals, extensions, or refundings of indebtedness of the kinds
    described in any of the preceding clauses (a) and (b);
unless,  in the  case of any  particular  indebtedness,  renewal,  extension  or
refunding,  the instrument  creating or evidencing the same or the assumption or
guarantee  of the same  expressly  provides  that  such  indebtedness,  renewal,
extension  or  refunding is not superior in right of payment to or is pari passu
with the Debt Securities. (Section 101).

    The Indenture  does not limit the  aggregate  amount of Senior Debt that the
Company  may issue.  As of  September  30,  1995,  outstanding  Senior  Debt and
subordinated debt of the Company  aggregated  approximately $1.6 billion and $75
million, respectively.

FORM, EXCHANGE, AND TRANSFER

    The Debt Securities of each series will be issuable only in fully registered
form  without  coupons  and,  unless  otherwise   specified  in  the  applicable
Prospectus  Supplement,  in  denominations  of $1,000 and any integral  multiple
thereof. (Section 302).

    At the option of the Holder,  subject to the terms of the  Indenture and the
limitations applicable to Global Securities,  Debt Securities of any series will
be exchangeable for other Debt Securities of the same series,  of any authorized
denomination and of like tenor and aggregate principal amount. (Section 305).

    Subject to the terms of the  Indenture  and the  limitations  applicable  to
Global  Securities,  Debt  Securities  may be presented for exchange as provided
above  or for  registration  of  transfer  (duly  endorsed  or with  the form of
transfer endorsed thereon duly executed) at the office of the Security Registrar
or at the  office of any  transfer  agent  designated  by the  Company  for such
purpose.  No service  charge  will be made for any  registration  of transfer or
exchange  of Debt  Securities,  but the  Company  may  require  payment of a sum
sufficient to cover any tax or other  governmental  charge payable in connection
therewith.  Such  transfer  or  exchange  will be  effected  upon  the  Security
Registrar or such transfer  agent,  as the case may be, being satisfied with the
documents  of title and identity of the person  making the request.  The Company
has appointed the Trustee as Security Registrar. Any transfer agent (in addition
to the  Security  Registrar)  initially  designated  by the Company for any Debt
Securities will be named in the applicable Prospectus Supplement. (Section 305).
The Company may at any time designate  additional transfer agents or rescind the
designation  of any  transfer  agent or approve a change in the  office  through
which any  transfer  agent acts,  except  that the  Company  will be required to
maintain a transfer  agent in each Place of Payment for the Debt  Securities  of
each series. (Section 1002).

    If the Debt Securities of any series (or of any series and specified  tenor)
are to be redeemed,  the Company will not be required to (i) issue, register the
transfer of, or exchange any Debt Security of that series (or of that series and
specified tenor, as the case may be) during a period beginning at the opening of
business 15 days before the day of mailing of a notice of redemption of any such
Debt  Security  that may be selected for  redemption  and ending at the close of
business on the day of such mailing or (ii) register the transfer of or exchange
any Debt Security so selected for  redemption,  in whole or in part,  except the
unredeemed  portion of any such Debt Security being  redeemed in part.  (Section
305).

GLOBAL SECURITIES

    Some or all of the Debt  Securities  of any  series may be  represented,  in
whole or in part, by one or more Global  Securities which will have an aggregate
principal amount equal to that of the Debt Securities  represented thereby. Each
Global  Security  will be  registered  in the name of a Depositary  or a nominee
thereof identified in the applicable  Prospectus  Supplement,  will be deposited
with such  Depositary or nominee or a custodian  therefor and will bear a legend
regarding the  restrictions on exchanges and  registration  of transfer  thereof
referred to below and any such other  matters as may be provided for pursuant to
the Indenture.

     Notwithstanding  any  provision  of  the  Indenture  or any  Debt  Security
described  herein,  no Global  Security may be exchanged in whole or in part for
Debt Securities registered,  and no transfer of a Global Security in whole or in
part may be registered,  in the name of any Person other than the Depositary for
such Global Security or any nominee of such Depositary unless (i) the Depositary
has  notified  the  Company  that it is  unwilling  or  unable  to  continue  as
Depositary for such Global Security or has ceased to be qualified to act as such
as required by the  Indenture,  (ii) there shall have occurred and be continuing
an Event of Default  with  respect to the Debt  Securities  represented  by such
Global  Security  or (iii)  there  shall  exist such  circumstances,  if any, in
addition  to or in lieu of  those  described  above as may be  described  in the
applicable Prospectus Supplement. All securities issued in exchange for a Global
Security  or any  portion  thereof  will  be  registered  in such  names  as the
Depositary may direct. (Sections 204 and 305).

    As long as the  Depositary,  or its nominee,  is the registered  Holder of a
Global  Security,  the  Depositary or such nominee,  as the case may be, will be
considered  the sole  owner and  Holder  of such  Global  Security  and the Debt
Securities  represented  thereby for all purposes under the Debt  Securities and
the Indenture.  Except in the limited circumstances referred to above, owners of
beneficial  interests  in a Global  Security  will not be  entitled to have such
Global Security or any Debt Securities  represented  thereby registered in their
names,  will  not  receive  or be  entitled  to  receive  physical  delivery  of
certificated  Debt Securities in exchange therefor and will not be considered to
be the  owners  or  Holders  of such  Global  Security  or any  Debt  Securities
represented  thereby for any purpose under the Debt Securities or the Indenture.
All payments of  principal of and any premium and interest on a Global  Security
will be made to the Depositary or its nominee, as the case may be, as the Holder
thereof.  The laws of some  jurisdictions  require  that certain  purchasers  of
securities take physical  delivery of such securities in definitive  form. These
laws may  impair  the  ability  to  transfer  beneficial  interests  in a Global
Security.

    Ownership of  beneficial  interests in a Global  Security will be limited to
institutions   that  have   accounts   with  the   Depositary   or  its  nominee
("participants")  and to  persons  that may hold  beneficial  interests  through
participants.  In  connection  with the  issuance  of any Global  Security,  the
Depositary will credit, on its book-entry  registration and transfer system, the
respective  principal  amounts  of Debt  Securities  represented  by the  Global
Security to the accounts of its participants.  Ownership of beneficial interests
in a Global  Security will be shown only on, and the transfer of those ownership
interests  will be effected only through,  records  maintained by the Depositary
(with respect to participants'  interests) or any such participant (with respect
to interests of persons held by such  participants  on their behalf).  Payments,
transfers,  exchanges,  and others matters relating to beneficial interests in a
Global Security may be subject to various policies and procedures adopted by the
Depositary from time to time.  None of the Company,  the Trustee or any agent of
the Company or the Trustee will have any  responsibility  or  liability  for any
aspect of the  Depositary's  or any  participant's  records  relating to, or for
payments made on account of, beneficial  interests in a Global Security,  or for
maintaining,  supervising,  or reviewing any records relating to such beneficial
interests.

    Secondary  trading in notes and debentures of corporate issuers is generally
settled in clearing- house or next-day funds. In contrast,  beneficial interests
in a Global  Security,  in some cases,  may trade in the  Depositary's  same-day
funds  settlement  system,  in which case secondary  market trading  activity in
those  beneficial  interests  would be required by the  Depositary  to settle in
immediately  available  funds.  There is no assurance as to the effect,  if any,
that settlement in immediately available funds would have on trading activity in
such  beneficial  interests.   Also,  settlement  for  purchases  of  beneficial
interests  in a  Global  Security  upon the  original  issuance  thereof  may be
required to be made in immediately available funds.

PAYMENT AND PAYING AGENTS

    Unless otherwise indicated in the applicable Prospectus Supplement,  payment
of interest on a Debt Security on any Interest  Payment Date will be made to the
Person  in whose  name  such  Debt  Security  (or one or more  Predecessor  Debt
Securities)  is registered  at the close of business on the Regular  Record Date
for such interest. (Section 307).

     Unless  otherwise  indicated  in  the  applicable  Prospectus   Supplement,
principal of and any premium and interest on the Debt Securities of a particular
series  will be payable at the office of such Paying  Agent or Paying  Agents as
the Company may designate for such purpose from time to time, except that at the
option of the Company payment of any interest may be made by check mailed to the
address of the Person  entitled  thereto as such address appears in the Security
Register.  Unless otherwise indicated in the applicable  Prospectus  Supplement,
the  corporate  trust  office  of the  Trustee  in The City of New York  will be
designated as the Company's  sole Paying Agent for payments with respect to Debt
Securities of each series.  Any other Paying Agents initially  designated by the
Company  for the Debt  Securities  of a  particular  series will be named in the
applicable  Prospectus  Supplement.  The  Company  may  at  any  time  designate
additional  Paying  Agents or rescind  the  designation  of any Paying  Agent or
approve a change in the office through which any Paying Agent acts,  except that
the Company will be required to maintain a Paying Agent in each Place of Payment
for the Debt Securities of a particular series. (Section 1002).

    All  moneys  paid by the  Company to a Paying  Agent for the  payment of the
principal  of or any  premium or  interest  on any Debt  Security  which  remain
unclaimed at the end of two years after such principal,  premium or interest has
become due and  payable  will be repaid to the  Company,  and the Holder of such
Debt  Security  thereafter  may look only to the Company  for  payment  thereof.
(Section 1003).

CONSOLIDATION, MERGER, AND SALE OF ASSETS

    The  Company  may not  consolidate  with or merge  into any other  Person or
convey, transfer or lease its properties and assets substantially as an entirety
to any Person,  and may not permit any Person to consolidate  with or merge into
the  Company  or  convey,   transfer,   or  lease  its   properties  and  assets
substantially as an entirety to the Company, unless (i) the successor Person (if
any) is a corporation,  partnership, trust or other entity organized and validly
existing under the laws of any domestic  jurisdiction  and assumes the Company's
obligations on the Debt  Securities and under the  Indenture,  (ii)  immediately
after giving effect to the transaction, no Event of Default, and no event which,
after notice or lapse of time or both,  would become an Event of Default,  shall
have occurred and be continuing  and (iii)  certain  other  conditions  are met.
(Section 801).

EVENTS OF DEFAULT

    Each of the  following  will  constitute  an  Event  of  Default  under  the
Indenture  with  respect to Debt  Securities  of any series:  (a) failure to pay
principal  of or any premium on any Debt  Security of that series when due;  (b)
failure to pay any  interest  on any Debt  Securities  of that  series when due,
continued  for 30 days;  (c) failure to deposit any sinking fund  payment,  when
due, in respect of any Debt Security of that series;  (d) failure to perform any
other covenant of the Company in the Indenture  (other than a covenant  included
in the  Indenture  solely for the benefit of a series  other than that  series),
continued for 90 days after written notice has been given by the Trustee, or the
Holders of at least 25% in principal  amount of the Outstanding  Debt Securities
of that  series,  as  provided  in the  Indenture;  and (e)  certain  events  in
bankruptcy, insolvency or reorganization. (Section 501).

    If an Event of Default  (other than an Event of Default  described in clause
(e)  above)  with  respect  to the Debt  Securities  of any  series  at the time
Outstanding shall occur and be continuing,  either the Trustee or the Holders of
at least 25% in aggregate principal amount of the Outstanding Debt Securities of
that  series by notice as provided in the  Indenture  may declare the  principal
amount  of the  Debt  Securities  of that  series  (or,  in the case of any Debt
Security that is an Original Issue Discount  Security or the principal amount of
which is not then  determinable,  such portion of the  principal  amount of such
Debt Security,  or such other amount in lieu of such principal amount, as may be
specified in the terms of such Debt Security) to be due and payable immediately.
If an Event of Default  described  in clause (e) above with  respect to the Debt
Securities  of any series at the time  Outstanding  shall occur,  the  principal
amount of all the Debt  Securities  of that  series (or, in the case of any such
Original Issue Discount Security or other Debt Security,  such specified amount)
will automatically,  and without any action by the Trustee or any Holder, become
immediately due and payable. After any such acceleration,  but before a judgment
or  decree  based on  acceleration,  the  Holders  of a  majority  in  aggregate
principal  amount of the  Outstanding  Debt Securities of that series may, under
certain  circumstances,  rescind  and annul such  acceleration  if all Events of
Default, other than the non-payment of accelerated principal (or other specified
amount), have been cured or waived as provided in the Indenture.  (Section 502).
For information as to waiver of defaults, see "Modification and Waiver."

     Subject to the  provisions of the  Indenture  relating to the duties of the
Trustee in case an Event of Default shall occur and be  continuing,  the Trustee
will be under no  obligation  to exercise  any of its rights or powers under the
Indenture at the request or direction of any of the Holders, unless such Holders
shall have offered to the Trustee reasonable  indemnity.  (Section 603). Subject
to such  provisions  for the  indemnification  of the Trustee,  the Holders of a
majority in principal  amount of the  Outstanding  Debt Securities of any series
will have the  right to direct  the time,  method  and place of  conducting  any
proceeding for any remedy  available to the Trustee,  or exercising any trust or
power  conferred on the Trustee,  with  respect to the Debt  Securities  of that
series. (Section 512).

    No Holder of a Debt  Security of any series will have any right to institute
any  proceeding  with  respect to the  Indenture,  or for the  appointment  of a
receiver  or a  trustee,  or for any other  remedy  thereunder,  unless (i) such
Holder has previously  given to the Trustee written notice of a continuing Event
of Default with respect to the Debt Securities of that series,  (ii) the Holders
of at least 25% in aggregate principal amount of the Outstanding Debt Securities
of that  series  have made  written  request,  and such  Holder or Holders  have
offered  reasonable  indemnity,  to the Trustee to institute such  proceeding as
trustee and (iii) the Trustee has failed to institute such  proceeding,  and has
not received from the Holders of a majority in aggregate principal amount of the
Outstanding  Debt Securities of that series a direction  inconsistent  with such
request,  within 60 days after such notice,  request and offer.  (Section  507).
However,  such  limitations  do not apply to a suit  instituted by a Holder of a
Debt Security for the  enforcement of payment of the principal of or any premium
or interest on such Debt Security on or after the  applicable due date specified
in such Debt Security. (Section 508).

    The Company will be required to furnish to the Trustee  annually a statement
by certain of its officers as to whether or not the Company, to their knowledge,
is in default in the  performance or observance of any of the terms,  provisions
and conditions of the Indenture and, if so,  specifying all such known defaults.
(Section 1004).

MODIFICATION AND WAIVER

    Modifications and amendments of the Indenture may be made by the Company and
the  Trustee  with the  consent  of the  Holders  of not  less  than 66 2/3 % in
aggregate  principal  amount of the  Outstanding  Debt Securities of each series
affected by such  modification  or amendment;  provided,  however,  that no such
modification  or  amendment  may,  without  the  consent  of the  Holder of each
Outstanding Debt Security  affected  thereby,  (a) change the Stated Maturity of
the  principal  of, or any  instalment  of principal of or interest on, any Debt
Security, (b) reduce the principal amount of, or any premium or interest on, any
Debt Security,  (c) reduce the amount of principal of an Original Issue Discount
Security or any other Debt Security  payable upon  acceleration  of the Maturity
thereof,  (d) change the place or  currency of payment of  principal  of, or any
premium or interest  on, any Debt  Security,  (e) impair the right to  institute
suit for the enforcement of any payment on or with respect to any Debt Security,
(f) reduce the percentage in principal  amount of Outstanding Debt Securities of
any  series,  the  consent of whose  Holders is  required  for  modification  or
amendment  of the  Indenture,  reduce  the  percentage  in  principal  amount of
Outstanding  Debt  Securities  of any series  necessary for waiver of compliance
with certain  provisions of the  Indenture or for waiver of certain  defaults or
modify such provisions with respect to modification and waiver. (Section 902).

    The Holders of not less than 66 2/3 % in aggregate  principal  amount of the
Outstanding  Debt  Securities of any series may waive  compliance by the Company
with certain  restrictive  provisions  of the  Indenture.  (Section  1008).  The
Holders of a majority in principal  amount of the Outstanding Debt Securities of
any series may waive any past default under the  Indenture,  except a default in
the payment of  principal,  premium,  or  interest  and  certain  covenants  and
provisions of the Indenture  which cannot be amended  without the consent of the
Holder of each Outstanding Debt Security of such series affected. (Section 513).

    The  Indenture  provides  that in  determining  whether  the  Holders of the
requisite  principal  amount of the  Outstanding  Debt  Securities have given or
taken  any  direction,  notice,  consent,  waiver,  or other  action  under  the
Indenture as of any date, (i) the principal amount of an Original Issue Discount
Security  that  will be  deemed  to be  Outstanding  will be the  amount  of the
principal  thereof  that  would  be  due  and  payable  as  of  such  date  upon
acceleration of the Maturity thereof to such date, (ii) if, as of such date, the
principal  amount  payable  at the Stated  Maturity  of a Debt  Security  is not
determinable  (for  example,  because  it is based on an index),  the  principal
amount of such Debt Security deemed to be Outstanding as of such date will be an
amount  determined in the manner prescribed for such Debt Security and (iii) the
principal  amount  of a  Debt  Security  denominated  in  one  or  more  foreign
currencies or currency units that will be deemed to be  Outstanding  will be the
U.S. dollar equivalent,  determined as of such date in the manner prescribed for
such Debt  Security,  of the principal  amount of such Debt Security (or, in the
case of a Debt  Security  described  in clause (i) or (ii) above,  of the amount
described in such clause).  Certain Debt  Securities,  including those for whose
payment or  redemption  money has been  deposited  or set aside in trust for the
Holders and those that have been fully defeased  pursuant to Section 1302,  will
not be deemed to be Outstanding. (Section 101).

    Except in certain limited circumstances, the Company will be entitled to set
any  day as a  record  date  for the  purpose  of  determining  the  Holders  of
Outstanding  Debt  Securities  of any  series  entitled  to  give  or  take  any
direction,  notice, consent, waiver, or other action under the Indenture, in the
manner and  subject to the  limitations  provided in the  Indenture.  In certain
limited  circumstances,  the  Trustee  will be entitled to set a record date for
action by Holders. If a record date is set for any action to be taken by Holders
of a particular series, such action may be taken only by persons who are Holders
of  Outstanding  Debt  Securities  of that  series  on the  record  date.  To be
effective,  such  action  must be taken by  Holders of the  requisite  principal
amount of such Debt Securities  within a specified  period  following the record
date. For any particular record date, this period will be 180 days or such other
shorter period as may be specified by the Company (or the Trustee, if it set the
record date),  and may be shortened or lengthened (but not beyond 180 days) from
time to time. (Section 104).

DEFEASANCE AND COVENANT DEFEASANCE

    If and to the extent indicated in the applicable Prospectus Supplement,  the
Company may elect,  at its option at any time, to have the provisions of Section
1302,  relating to defeasance  and discharge of  indebtedness,  or Section 1303,
relating  to  defeasance  of certain  restrictive  covenants  in the  Indenture,
applied to the Debt  Securities  of any series,  or to any  specified  part of a
series. (Section 1301).

    DEFEASANCE AND DISCHARGE.  The Indenture  provides that,  upon the Company's
exercise  of its  option  (if  any) to have  Section  1302  applied  to any Debt
Securities, the Company will be discharged from all its obligations with respect
to such Debt Securities (except for certain  obligations to exchange or register
the transfer of Debt  Securities,  to replace  stolen,  lost or  mutilated  Debt
Securities, to maintain paying agencies and to hold moneys for payment in trust)
upon the deposit in trust for the benefit of the Holders of such Debt Securities
of money or U.S. Government Obligations,  or both, which, through the payment of
principal and interest in respect thereof in accordance  with their terms,  will
provide  money in an amount  sufficient  to pay the principal of and any premium
and interest on such Debt  Securities  on the  respective  Stated  Maturities in
accordance  with the  terms of the  Indenture  and such  Debt  Securities.  Such
defeasance or discharge  may occur only if, among other things,  the Company has
delivered  to the  Trustee an Opinion of Counsel to the effect  that the Company
has received  from, or there has been  published by, the United States  Internal
Revenue Service a ruling,  or there has been a change in tax law, in either case
to the effect that Holders of such Debt  Securities  will not recognize  gain or
loss for federal  income tax purposes as a result of such  deposit,  defeasance,
and discharge and will be subject to federal  income tax on the same amount,  in
the same  manner  and at the same  times  as  would  have  been the case if such
deposit, defeasance and discharge were not to occur. (Sections 1302 and 1304).

    DEFEASANCE OF CERTAIN  COVENANTS.  The  Indenture  provides  that,  upon the
Company's  exercise of its option (if any) to have  Section  1303 applied to any
Debt  Securities,  the  Company  may omit to  comply  with  certain  restrictive
covenants that may be described in the applicable Prospectus Supplement, and the
occurrence of certain Events of Default, which are described above in clause (d)
(with respect to such  restrictive  covenants) under "Events of Default" and any
that may be described in the applicable  Prospectus  Supplement,  will be deemed
not to be or  result  in an Event  of  Default  and the  provisions  of  Article
Fourteen  relating  to  subordination  (included  in the  Indenture  relating to
subordinated  Debt  Securities)  will cease to be  effective,  in each case with
respect to such Debt Securities.  The Company, in order to exercise such option,
will be  required  to  deposit,  in trust for the benefit of the Holders of such
Debt
Securities,  money or U.S. Government  Obligations,  or both, which, through the
payment of principal and interest in respect  thereof in  accordance  with their
terms,  will provide  money in an amount  sufficient to pay the principal of and
any  premium and  interest  on such Debt  Securities  on the  respective  Stated
Maturities  in  accordance  with  the  terms  of the  Indenture  and  such  Debt
Securities. The Company will also be required, among other things, to deliver to
the  Trustee an Opinion  of  Counsel  to the  effect  that  Holders of such Debt
Securities  will not recognize gain or loss for federal income tax purposes as a
result of such deposit and defeasance of certain obligations and will be subject
to federal  income tax on the same  amount,  in the same  manner and at the same
times as would have been the case if such  deposit  and  defeasance  were not to
occur.  In the event the Company  exercised this option with respect to any Debt
Securities and such Debt Securities were declared due and payable because of the
occurrence  of any Event of  Default,  the  amount of money and U.S.  Government
Obligations so deposited in trust would be sufficient to pay amounts due on such
Debt Securities at the time of their respective Stated Maturities but may not be
sufficient  to pay amounts  due on such Debt  Securities  upon any  acceleration
resulting  from such Event of Default.  In such case,  the Company  would remain
liable for such payments. (Sections 1303 and 1304).

NOTICES

    Notices to Holders of Debt Securities will be given by mail to the addresses
of such Holders as they may appear in the Security  Register.  (Sections 101 and
106).

TITLE

    The Company,  the  Trustee,  and any agent of the Company or the Trustee may
treat the Person in whose name a Debt  Security is  registered  as the  absolute
owner thereof (whether or not such Debt Security may be overdue) for the purpose
of making payment and for all other purposes. (Section 308).

GOVERNING LAW

    The Indenture and the Debt  Securities will be governed by, and construed in
accordance with, the law of the State of New York. (Section 112).

REGARDING THE TRUSTEES

    The Trustee under the Indenture relating to the subordinated Debt Securities
is The Bank of New York. The Company maintains normal banking  arrangements with
The Bank of New York, which includes two commitments in the aggregate  principal
amount  of  approximately  $35.7  million  by The Bank of New York  pursuant  to
reimbursement  agreements  related to letters of credit  issued on behalf of the
Company in connection with issuances of pollution control bonds, the proceeds of
which were made  available  to the  Company,  none of which was  outstanding  at
September  30, 1995.  The Bank of New York also serves as (i) trustee  under the
Mortgage,  (ii) trustee for the holders of several  issues of pollution  control
bonds  issued  on  behalf  of the  Company,  (iii)  investment  manager  for the
Company's   nonunion   post-retirement   medical  fund  and  (iv)  custodian  of
international  fixed-income  assets for the Company's  pension plan. The Trustee
under the Indenture relating to the senior Debt Securities is Chemical Bank. The
Company maintains normal banking  arrangements with Chemical Bank. Chemical Bank
also serves as trustee for the  holders of several  series of bonds  secured by,
among  other  things,  the  Company's  payments  under  its Palo  Verde  Nuclear
Generating Station leases;  these bonds were issued by a party unaffiliated with
the Company.

                             PLAN OF DISTRIBUTION

    The Company intends to sell up to $150 million in aggregate principal amount
of the Offered  Securities to or through  underwriters or dealers,  and may also
sell the Offered  Securities  directly to other purchasers or through agents, as
described  in  the  Prospectus  Supplement  relating  to  an  issue  of  Offered
Securities.

    The distribution of the Offered Securities may be effected from time to time
in one or more transactions at a fixed price or prices, which may be changed, or
at market  prices  prevailing  at the time of sale,  at prices  related  to such
prevailing market prices, or at negotiated prices.

    In  connection  with the sale of the Offered  Securities,  underwriters  may
receive  compensation from the Company or from purchasers of Offered  Securities
for  whom  they may act as  agents  in the form of  discounts,  concessions,  or
commissions. Underwriters may sell Offered Securities to or through dealers, and
such dealers may receive compensation in the form of discounts,  concessions, or
commissions  from the  underwriters  and/or  commissions from the purchasers for
whom they may act as agents. Underwriters,  dealers, and agents that participate
in the distribution of Offered Securities may be deemed to be underwriters,  and
any discounts or commissions received by them from the Company and any profit on
the  resale of  Offered  Securities  by them may be  deemed  to be  underwriting
discounts and commissions under the Securities Act of 1933 (the "1933 Act"). Any
such person who may be deemed to be an underwriter  will be identified,  and any
such compensation received from the Company will be described, in the Prospectus
Supplement.

    Under  agreements  which may be entered into by the  Company,  underwriters,
dealers,  and  agents  who  participate  in  the  distribution  of  the  Offered
Securities may be entitled to  indemnification  by the Company  against  certain
liabilities, including liabilities under the 1933 Act.

                                   EXPERTS

    The  financial  statements  and the related  financial  statement  schedules
incorporated in this Prospectus by reference to the Company's 1994 Annual Report
on Form 10-K have been audited by Deloitte & Touche LLP,  independent  auditors,
as stated in their report,  which is incorporated herein by reference,  and have
been so  incorporated  in reliance upon the report of such firm given upon their
authority as experts in accounting and auditing.

    With respect to the unaudited interim financial  information for the periods
ended March 31, June 30, and September 30, 1995 and 1994,  which is incorporated
herein by reference,  Deloitte & Touche LLP have applied  limited  procedures in
accordance  with  professional  standards  for a  review  of  such  information.
However,  as stated in their reports included in the Company's Quarterly Reports
on Form 10-Q for the quarters  ended March 31, June 30, and  September 30, 1995,
and incorporated by reference herein, they did not audit and they do not express
an opinion on that interim  financial  information.  Accordingly,  the degree of
reliance on their reports on such  information  should be restricted in light of
the limited nature of the review procedures  applied.  Deloitte & Touche LLP are
not subject to the liability  provisions of Section 11 of the  Securities Act of
1933 for their reports on the unaudited  interim financial  information  because
those  reports  are not  "reports"  or a "part"  of the  registration  statement
prepared or certified by an  accountant  within the meaning of Sections 7 and 11
of the Act.

                                LEGAL OPINIONS

    The validity of the  Securities  offered  hereby will be passed upon for the
Company by Snell & Wilmer L.L.P.,  One Arizona Center,  Phoenix,  Arizona 85004,
and, it is currently anticipated, for any underwriters of Securities by Sullivan
& Cromwell,  444 South Flower Street,  Los Angeles,  California 90071. In giving
their  opinions,  Sullivan & Cromwell and Snell & Wilmer  L.L.P.  may rely as to
matters  of New Mexico law upon the  opinion  of  Keleher & McLeod,  P.A.,  1200
Public Service Building,  Albuquerque, New Mexico 87102, Sullivan & Cromwell may
rely as to all matters of Arizona law upon the opinion of Snell & Wilmer L.L.P.,
and Snell & Wilmer  L.L.P.  may rely as to all  matters of New York law upon the
opinion of Sullivan & Cromwell.

<PAGE>
=====================================        ===================================

    NO PERSON HAS BEEN AUTHORIZED TO
GIVE  ANY INFORMATION OR TO MAKE ANY
REPRESENTATION NOT CONTAINED IN THIS
PROSPECTUS AND,  IF  GIVEN  OR MADE,
SUCH INFORMATION  OR  REPRESENTATION
MUST NOT  BE  RELIED  UPON AS HAVING
BEEN AUTHORIZED.THIS PROSPECTUS DOES
NOT CONSTITUTE AN OFFER TO SELL OR A                   $150,000,000 
SOLICITATION OF AN OFFER  TO BUY ANY                   
OF THE  SECURITIES OFFERED HEREBY IN
ANY  JURISDICTION  TO  ANY PERSON TO                    
WHOM IT  IS  UNLAWFUL  TO  MAKE SUCH
OFFER  IN SUCH JURISDICTION. NEITHER                ARIZONA PUBLIC SERVICE 
THE DELIVERY OF THIS  PROSPECTUS NOR                        COMPANY        
ANY SALE MADE HEREUNDER SHALL, UNDER               
ANY   CIRCUMSTANCES,   CREATE    ANY
IMPLICATION  THAT  THE   INFORMATION
HEREIN IS  CORRECT AS  OF  ANY  TIME                  
SUBSEQUENT  TO  THE  DATE  HEREOF OR                 FIRST MORTGAGE BONDS    
THAT THERE HAS BEEN NO CHANGE IN THE                    DEBT SECURITIES   
AFFAIRS  OF  THE  COMPANY SINCE SUCH                   
DATE.
            ----------
        
         TABLE OF CONTENTS                                ----------   
                                                          
                                 PAGE                               
                                 ----         

Available Information ..............2           
Incorporation of Certain                        
Documents by Reference .............2            
Selected Information ...............3                     [APS LOGO]
The Company ........................4           
Application of Proceeds ............4                      
Earnings Ratios ....................4           
Description of New Bonds ...........4             
Description of Debt                             
Securities ........................10
Plan of Distribution ..............17                     ----------
Experts ...........................18
Legal Opinions ....................18

=====================================        ===================================
<PAGE>
                                   PART II
                    INFORMATION NOT REQUIRED IN PROSPECTUS

ITEM 14.  OTHER EXPENSES OF ISSUANCE AND DISTRIBUTION.

Securities and Exchange Commission registration fee                  $   8,621
Printing, engraving, and postage expenses  .........                    30,000*
Legal fees .........................................                   100,000*
Accounting fees ....................................                    25,000*
Rating Agency fees .................................                   125,000*
Trustee's fees and expenses ........................                    25,000*
Blue Sky fees and expenses .........................                    15,000*
Miscellaneous ......................................                     6,379*
                                                                     ----------
Total ..............................................                 $ 335,000
                                                                     ==========
- ----------
*Estimated.

ITEM 15. INDEMNIFICATION OF DIRECTORS AND OFFICERS.

    The law of Arizona permits extensive  indemnification  of present and former
directors,  officers, employees or agents of an Arizona corporation,  whether or
not  authority  for  such  indemnification  is  contained  in  the  indemnifying
corporation's  articles  of  incorporation  or bylaws.  Specific  authority  for
indemnification  of present and former  directors  and  officers,  under certain
circumstances,  is  contained  in Article  Fifth of the  Company's  Articles  of
Incorporation.  In addition,  Section 7.01 of the Company's bylaws provides that
the Company  will  indemnify  present and former  directors  and officers to the
fullest  extent  permitted  by Arizona  law.  Under  Arizona law, in order for a
corporation  to  provide  indemnification,   a  disinterested  majority  of  the
corporation's  board of directors,  independent  legal  counsel,  a court or the
shareholders must find that the director,  officer,  employee or agent acted, or
failed to act, in good faith and in a manner he reasonably believed to be in, or
not opposed to, the best interests of the corporation,  and, with respect to any
criminal  action or  proceeding,  had no  reason  to  believe  his  conduct  was
unlawful.  Statutory  indemnification  is  permissive,  except in the event of a
successful  defense,  when a  director,  officer,  employee  or  agent  must  be
indemnified against expenses, including attorneys' fees, actually and reasonably
incurred by him in  connection  therewith.  Indemnification  is  permitted  with
respect to expenses,  judgments,  fines,  and amounts paid in settlement by such
persons.

    On January 1, 1996, the new Arizona  Business  Corporation  Act (the "ABCA")
will become effective. The ABCA permits extensive indemnification of present and
former  directors,  officers,  employees,  or agents of an Arizona  corporation,
whether  or  not  authority  for  such   indemnification  is  contained  in  the
indemnifying  corporation's articles of incorporation or bylaws. Under the ABCA,
in order  for a  corporation  to  provide  indemnification,  a  majority  of the
corporation's  disinterested  directors,   independent  legal  counsel,  or  the
shareholders  must find that the conduct of the individual to be indemnified was
in good faith and that the individual  reasonably  believed that the conduct was
in the  corporation's  best  interests  (in the case of conduct in an  "official
capacity" with the  corporation) or that the conduct was at least not opposed to
the  corporation's  best  interests  (in all  other  cases).  In the case of any
criminal  proceeding,  the finding must be to the effect that the individual had
no  reasonable  cause to believe the conduct was  unlawful.  Indemnification  is
permitted  with  respect to  expenses,  judgements,  fines,  and amounts paid in
settlement by such individuals.

     Indemnification  under  the ABCA is  permissive,  except  in the event of a
successful defense, in which case a director,  officer,  employee, or agent must
be indemnified against reasonable expenses,  including attorneys' fees, incurred
in  connection  with the  proceeding.  In addition,  the ABCA  requires  Arizona
corporations  to  indemnify  any  "outside  director"  (a director who is not an
officer,  employee,  or  holder  of five  percent  or more of any  class  of the
corporation's stock) against liability unless (i) the corporation's  articles of
incorporation limit such indemnification,  (ii) the outside director is adjudged
liable in a  proceeding  by or in the right of the  corporation  or in any other
proceeding charging improper personal benefit to the director,  or (iii) a court
determines,  before payment to the outside director, that the director failed to
meet the standards of conduct described in the preceding paragraph.  A court may
also  order  that an  individual  be  indemnified  if the court  finds  that the
individual is fairly and reasonably  entitled to indemnification in light of all
of the  relevant  circumstances,  whether  or not  the  individual  has  met the
standards of conduct in this and the preceding paragraph.

    In connection  with the offering made by the  prospectus  which is a part of
this  registration  statement,  as  it  may  be  amended  or  supplemented,  the
underwriters of the Offered  Securities,  pursuant to the relevant  underwriting
agreement, will severally agree to indemnify and hold harmless the Company, each
of its  directors,  each of its  officers  who  have  signed  this  registration
statement,  and each person, if any, who controls the Company within the meaning
of the Securities Act of 1933, as amended (the "Act"),  against  certain losses,
claims, damages or liabilities,  including liabilities under the Act, that arise
out of or are based upon written  information  furnished by such underwriters to
the Company for use in this registration statement or in such prospectus.

    Insurance  is  maintained  on a  regular  basis  (and  not  specifically  in
connection  with  this  offering)  against  liabilities  arising  on the part of
directors and officers out of their performance in such capacities or arising on
the part of the Company out of its foregoing indemnification provisions, subject
to certain exclusions and to the policy limits.

ITEM 16. LIST OF EXHIBITS.

EXHIBIT
  NO.     DESCRIPTION
- -------   ----------------------------------------------------------------------
 1.1      Form of Underwriting Agreement for First Mortgage Bonds.
 1.2      Form of Underwriting Agreement for Debt Securities. 
 4.1      Form(s) of Supplemental Indenture relating to New Bonds (to be filed 
          as Exhibit(s) by means of Form 8-K).
 4.2      Specimen(s) of New Bonds (to be filed as Exhibit(s) by means of 
          Form 8-K).
 4.3      Form of Indenture relating to senior Debt Securities. 
 4.4      Form(s) of Supplemental Indenture relating to Offered Debt Securities
          (to be filed as Exhibit(s) by means of Form 8-K).
 4.5      Specimen(s) of Offered Debt Securities (to be filed as Exhibit(s) 
          by means of Form 8-K).
 5.1      Opinion of Snell & Wilmer L.L.P.
12.1      Computation of Ratio of Earnings to Fixed Charges.
15.1      Letter In Lieu of Consent of Deloitte & Touche LLP Regarding Unaudited
          Interim Financial Information.
23.1      Consent of Deloitte & Touche LLP.
23.2      Consent of Snell & Wilmer L.L.P. (included in Opinion filed as Exhibit
          No. 5.1).
24.1      Power of Attorney (see II-4).
25.1      Form T-1 Statement of Eligibility under the Trust Indenture Act of 
          1939 of The Bank of New York, as Bond Trustee under the Mortgage.
25.2      Form T-1 Statement of Eligibility under the Trust Indenture Act of 
          1939 of The Bank of New York,  as Trustee under the Indenture relating
          to the subordinated Debt Securities.
25.3      Form T-1 Statement of Eligibility under the Trust Indenture Act of 
          1939 of Chemical Bank, as Trustee under the Indenture relating to the
          senior Debt Securities.

<PAGE>
    In addition to those Exhibits shown above,  the Company hereby  incorporates
the following  Exhibits  pursuant to Rule 411 of Regulation C promulgated  under
the Securities Act of 1933 by reference to the filings set forth below:
<TABLE>
<CAPTION>
 EXHIBIT                                            PREVIOUSLY FILED                        DATE
 NO.                 DESCRIPTION                       AS EXHIBIT:             FILE NO.   EFFECTIVE
- --------- -------------------------------- --------------------------------- ---------- ------------
<S>       <C>                              <C>                                <C>         <C>
4.6       Mortgage and deed of trust       4.1 TO SEPTEMBER 1992 FORM 10-Q
          relating to company's first       Report                            1-4473      11-9-92
          mortgage bonds, together with
          forty-eight indentures          
          supplemental thereto.

          Forty-ninth Supplemental         4.1 to 1992 Form 10-K Report      1-4473      3-30-93
          Indenture.                       

          Fiftieth Supplemental Indenture. 4.2 to 1993 Form 10-K Report      1-4473      3-30-94

          Fifty-first Supplemental         4.1 to August 1, 1993 Form 8-K
          Indenture.                       Report                            1-4473      9-27-93

          Fifty-second Supplemental        4.1 to September 30, 1993 Form
          Indenture.                       10-Q Report                       1-4473     11-15-93

          Fifty-third Supplemental         4.5 to Registration Statement No.                           
          Indenture.                       33-61228 by means of February 23,                           
                                           1994 Form 8-K Report              1-4473       3-1-94       
4.7       Indenture dated as of January 1, 4.6 to January 1, 1995 Form 8-K                        
          1995 among the Company and The   Report                            1-4473      1-11-95  
          Bank of New York, as Trustee,                                                                     
          relating to subordinated Debt       
          Securities.                         

4.8       First Supplemental Indenture      4.4 to January 1, 1995 Form 8-K                       
          dated as of January 1, 1995,      Report                            1-4473      1-11-95    
          relating to the issuance of                                                                  
          $75,000,000 of 10% Junior                                                                    
          Subordinated Deferrable Interest      
          Debentures, Series A, Due 2025.       

4.9       Agreement of Resignation,         4.1 to September 29, 1995 Form                            
          Appointment, Acceptance, and      8-K Report                        1-4473     10-24-95     
          Assignment dated as of August                                                               
          18, 1995 among the Company,       
          Bank of America National Trust
          and Savings Association and 
          The Bank of New  York.       
</TABLE>

ITEM 17. UNDERTAKINGS.

    The undersigned registrant hereby undertakes:

        (1) To file,  during any period in which offers or sales are being made,
    a post-effective amendment to this registration statement:

        (i) to  include  any  prospectus  required  by Section  10(a)(3)  of the
    Securities Act of 1933;

        (ii) to reflect in the  prospectus any facts or events arising after the
    effective   date  of  the   registration   statement  (or  the  most  recent
    post-effective  amendment thereof) which,  individually or in the aggregate,
    represent  a  fundamental  change  in  the  information  set  forth  in  the
    registration  statement;  notwithstanding  the  foregoing,  any  increase or
    decrease in the volume of  securities  offered (if the total dollar value of
    securities  offered  would not  exceed  that which was  registered)  and any
    deviation from the low or high end of the estimated  maximum  offering range
    may be  reflected  in the  form of  prospectus  filed  with  the  Commission
    pursuant  to Rule  424(b) if, in the  aggregate,  the  changes in volume and
    price  represent no more than a 20 percent  change in the maximum  aggregate
    offering price set forth in the  "Calculation of Registration  Fee" table in
    the effective registration statement; and

        (iii) to include any  material  information  with respect to the plan of
    distribution not previously  disclosed in the registration  statement or any
    material change to such information in the registration statement;

        provided however, that paragraphs (1)(i) and (1)(ii) do not apply if the
    information  required to be included in a post-effective  amendment by those
    paragraphs is contained in periodic reports filed by the registrant pursuant
    to Section 13 or Section 15(d) of the  Securities  Exchange Act of 1934 that
    are incorporated by reference in the registration statement.

        (2) That,  for the purpose of determining  any liability  under the Act,
    each such post-effective  amendment shall be deemed to be a new registration
    statement  relating to the securities  offered therein,  and the offering of
    such  securities  at that time shall be deemed to be the  initial  bona fide
    offering thereof.

        (3) To remove from  registration by means of a post-effective  amendment
    any  of  the  securities   being  registered  which  remain  unsold  at  the
    termination of the offering.

        (4) That, for purposes of determining  any liability under the Act, each
    filing of the  registrant's  annual  report  pursuant  to  Section  13(a) or
    Section 15(d) of the Securities Exchange Act of 1934 (and, where applicable,
    each filing of an employee  benefit plan's annual report pursuant to Section
    15(d) of the  Securities  Exchange  Act of  1934)  that is  incorporated  by
    reference  in  the  registration  statement  shall  be  deemed  to  be a new
    registration  statement  relating to the securities  offered herein, and the
    offering of such  securities  at that time shall be deemed to be the initial
    bona fide offering thereof.

        (5) That, insofar as indemnification  for liabilities  arising under the
    Securities  Act of  1933  may  be  permitted  to  directors,  officers,  and
    controlling persons of the registrant pursuant to the provisions referred to
    in Item 15 of this  Registration  Statement,  or otherwise,  the Company has
    been advised that, in the opinion of the Securities and Exchange Commission,
    such  indemnification  is against  public policy as expressed in the Act and
    is, therefore,  unenforceable. In the event that a claim for indemnification
    against  such  liabilities  (other  than the  payment by the  registrant  of
    expenses incurred or paid by a director,  officer,  or controlling person of
    the registrant in the successful defense of any action, suit, or proceeding)
    is asserted by such director,  officer,  or controlling person in connection
    with the securities being  registered,  the registrant  will,  unless in the
    opinion of its counsel the matter has been settled by controlling precedent,
    submit to a court of appropriate  jurisdiction  the question of whether such
    indemnification  by it is against  public policy as expressed in the Act and
    will be governed by the final adjudication of such issue.

<PAGE>

                                  SIGNATURES

    Pursuant to the  requirements  of the Securities Act of 1933, the registrant
certifies  that it has  reasonable  grounds to believe  that it meets all of the
requirements  for  filing  on Form S-3 and has  duly  caused  this  registration
statement  to be  signed  on its  behalf  by  the  undersigned,  thereunto  duly
authorized,  in the  City of  Phoenix,  State  of  Arizona,  on the  20th day of
November, 1995. 

                                          ARIZONA PUBLIC SERVICE COMPANY 

                                          By      O. MARK DE MICHELE
                                            ------------------------------
                                            (O. Mark De Michele, President
                                              and Chief Executive Officer)

    Pursuant  to  the   requirements   of  the  Securities  Act  of  1933,  this
registration  statement  has been signed below by the  following  persons in the
capacities and on the dates indicated. Each person whose signature appears below
hereby authorizes O. Mark De Michele, William J. Post, Jaron B. Norberg, William
J. Hemelt, and Nancy E. Newquist and each of them, as attorneys-in-fact, to sign
in his or her name and  behalf,  individually  and in each  capacity  designated
below, and to file any amendments,  including post-effective amendments, to this
registration statement.
<TABLE>
<CAPTION>
             SIGNATURE                                  TITLE                          DATE
- ----------------------------------         --------------------------------    -------------------
<S>                                           <C>                               <C>
         O. MARK DE MICHELE
 ----------------------------------
   (O. Mark De Michele, President             Principal Executive Officer
    and Chief Executive Officer)                     and Director               November 20, 1995

          WILLIAM J. POST
 ----------------------------------
          (William J. Post,
      Senior Vice President and               Principal Accounting Officer
      Chief Operating Officer)                       and Director               November 20, 1995

          JARON B. NORBERG 
 ----------------------------------
         (Jaron B. Norberg,
    Executive Vice President and               Principal Financial Officer
      Chief Financial Officer)                       and Director               November 20, 1995

          KENNETH M. CARR
 ----------------------------------
         (Kenneth M. Carr)                            Director                  November 20, 1995

          MARTHA O. HESSE
 ----------------------------------
         (Martha O. Hesse)                            Director                  November 20, 1995

        MARIANNE M. JENNINGS
 ----------------------------------
       (Marianne M. Jennings)                         Director                  November 20, 1995

         ROBERT G. MATLOCK
 ----------------------------------
        (Robert G. Matlock)                           Director                  November 20, 1995

         JOHN R. NORTON III
 ----------------------------------
        (John R. Norton III)                          Director                  November 20, 1995

          DONALD M. RILEY
 ----------------------------------
         (Donald M. Riley)                            Director                  November 20, 1995

          HENRY B. SARGENT
 ----------------------------------
         (Henry B. Sargent)                           Director                  November 20, 1995

          WILMA W. SCHWADA
 ----------------------------------
        (Wilma W. Schwada)                            Director                  November 20, 1995

          VERNE D. SEIDEL
 ----------------------------------
         (Verne D. Seidel)                            Director                  November 20, 1995

           RICHARD SNELL
 ----------------------------------
          (Richard Snell)                             Director                  November 20, 1995

          DIANNE C. WALKER
 ----------------------------------
         (Dianne C. Walker)                           Director                  November 20, 1995

        BEN F. WILLIAMS, JR.
 ----------------------------------
       (Ben F. Williams, Jr.)                         Director                  November 20, 1995

        THOMAS G. WOODS, JR.
 ----------------------------------
       (Thomas G. Woods, Jr.)                         Director                  November 20, 1995

</TABLE>

<PAGE>

                                                    REGISTRATION NO. 33-
===============================================================================


                      SECURITIES AND EXCHANGE COMMISSION

                             WASHINGTON, D.C. 20549


                                  ----------


                                 EXHIBITS TO


                                   FORM S-3


                            REGISTRATION STATEMENT
                                    Under
                          THE SECURITIES ACT OF 1933


                                  ----------


                        ARIZONA PUBLIC SERVICE COMPANY
            (EXACT NAME OF REGISTRANT AS SPECIFIED IN ITS CHARTER)




===============================================================================

<PAGE>
                              INDEX TO EXHIBITS

 EXHIBIT 
   NO.    DESCRIPTION
- --------  ----------------------------------------------------------------------
  1.1     Form of Underwriting Agreement for First Mortgage Bonds.
  1.2     Form of Underwriting Agreement for Debt Securities.
  4.1     Form(s) of Supplemental Indenture relating to New Bonds (to be filed 
          as Exhibit(s) by means of Form 8-K).
  4.2     Specimen(s) of New Bonds (to be filed as Exhibit(s) by means of 
          Form 8-K).
  4.3     Form of Indenture relating to senior Debt Securities.
  4.4     Form(s) of Supplemental Indenture relating to Offered Debt Securities
          (to be filed as Exhibit(s) by means of Form 8-K).
  4.5     Specimen(s) of Offered Debt Securities (to be filed as Exhibit(s) by 
          means of Form 8-K).
  5.1     Opinion of Snell & Wilmer L.L.P.
 12.1     Computation of Ratio of Earnings to Fixed Charges.
 15.1     Letter in Lieu of consent of Deloitte & Touche LLP Regarding Unaudited
          Interim Financial Information.
 23.1     Consent of Deloitte & Touche LLP.
 23.2     Consent of Snell & Wilmer L.L.P. (included in Opinion filed as 
          Exhibit No. 5.1).
 24.1     Power of Attorney (see II-4).
 25.1     Form T-1 Statement of Eligibility under the Trust Indenture Act of 
          1939 of The Bank of NewYork, as Bond Trustee under the Mortgage.
 25.2     Form T-1 Statement of Eligibility under the Trust Indenture Act of 
          1939 of The Bank of New York, as Trustee under the Indenture relating
          to the subordinated Debt Securities.
 25.3     Form T-1 Statement of Eligibility under the Trust Indenture Act of 
          1939 of Chemical Bank, as Trustee under the Indenture relating to the
          senior Debt Securities.


     For a description of the Exhibits  incorporated in this filing by reference
see page II-3.


                                                       
                                  Exhibit 1.1


                         ARIZONA PUBLIC SERVICE COMPANY

                              First Mortgage Bonds


                             UNDERWRITING AGREEMENT
                             ----------------------

                   

Dear Sir or Madam:

     1.  Introduction.  Arizona Public Service Company,  an Arizona  corporation
(the "Company"), proposes to issue and sell from time to time up to $150,000,000
in  aggregate  principal  amount  of its  First  Mortgage  Bonds  (the  "Bonds")
registered  under the registration  statements  referred to in Section 2(a). The
Bonds will be issued  under its  Mortgage  and Deed of Trust dated as of July 1,
1946, to The Bank of New York, as successor Trustee, as amended and supplemented
by fifty-three indentures supplemental thereto (the "Mortgage"),  and as further
amended  and  supplemented  by one or more  additional  Supplemental  Indentures
relating to the Bonds (the  "Supplemental  Indentures") (the Mortgage as amended
and supplemented by such  Supplemental  Indentures  being sometimes  hereinafter
referred to as the "Indenture"). The Bonds will be issued in one or more series,
which series may vary as to interest rates,  maturities,  redemption provisions,
selling prices, and other terms, with all such terms for any particular issue of
the Bonds being determined at the time of sale.  Particular  issues of the Bonds
may be sold from time to time to one or more of the firms to whom this Agreement
is addressed, and to such other purchasers as the Company shall designate and as
shall  agree  in  writing  to  comply  with the  terms  and  conditions  of this
Agreement, for resale in accordance with the terms of offering determined at the
time of sale. The Bonds involved in any such offering are  hereinafter  referred
to as the  "Purchased  Bonds," the parties  that agree to purchase  the same are
hereinafter  referred to as the  "Underwriters" of such Purchased Bonds, and the
representative or  representatives  of the Underwriters,  if any, specified in a
Terms  Agreement  referred  to in Section 3 are  hereinafter  referred to as the
"Representatives."

     2.  Representations  and Warranties of the Company. In connection with each
offering of the Purchased  Bonds,  the Company  represents  and warrants to, and
agrees with, the several Underwriters that:

              (a)  A   registration   statement  (No.   33-61228)   relating  to
         $100,000,000  of the Bonds,  a registration  statement  (No.  33-55473)
         relating to $25,000,000 of the Bonds or unsecured debentures, notes, or
         other evidences of indebtedness  (the  "Securities") and a registration
         statement  (No.  ______)  relating  to  $25,000,000  of  the  Bonds  or
         Securities  (including  a combined  prospectus  relating  to all of the
         Bonds and  Securities)  were filed  with the  Securities  and  Exchange
         Commission  (the   "Commission")  and  have  become   effective.   Such
         registration  statements,  as each is  amended at the time of the Terms
         Agreement referred to in Section 3 relating to the Purchased Bonds, are
         hereinafter  referred  to as the "First  Registration  Statement,"  the
         "Second   Registration   Statement,"   and  the   "Third   Registration
         Statement," respectively,  and are hereinafter referred to collectively
         as the "Registration  Statements," and such prospectus, as supplemented
         as  contemplated  by  Section 3 to reflect  the terms of the  Purchased
         Bonds  and  terms  of  offering   thereof,   including   all   material
         incorporated by reference  therein,  is hereinafter  referred to as the
         "Prospectus."

              (b)  Each  part of the  Registration  Statements  relating  to the
         Bonds,  when such part became  effective,  conformed in all respects to
         the  requirements of the Securities Act of 1933 (the "Act"),  the Trust
         Indenture  Act of 1939 (the  "Trust  Indenture  Act") and the rules and
         regulations (the "Rules and Regulations") of the Commission and did not
         include any untrue  statement  of a material  fact or omit to state any
         material  fact  required to be stated  therein or necessary to make the
         statements  therein not misleading,  and on the date of each Prospectus
         Supplement  referred to in Section 3, the  Registration  Statements and
         the Prospectus will conform in all respects to the  requirements of the
         Act, the Trust Indenture Act and the Rules and Regulations, and at such
         date none of such  documents  will  include any untrue  statement  of a
         material  fact or omit to state any material fact required to be stated
         therein or necessary  to make the  statements  therein not  misleading;
         provided,  however, that the foregoing does not apply to (a) statements
         in or omissions from any such documents based upon written  information
         furnished  to the  Company  by any  Underwriter  specifically  for  use
         therein or (b) that part of the  Registration  Statements that consists
         of the Statement of Eligibility and Qualification  (Form T-1) under the
         Trust  Indenture  Act of 1939 of The  Bank of New  York,  as  successor
         Trustee under the Mortgage.

              (c) An order of the Arizona Corporation Commission shall have been
         granted  authorizing  the  execution  and delivery of the  Supplemental
         Indenture  relating to the Purchased Bonds and the issuance and sale of
         the  Purchased  Bonds on the terms  and  conditions  herein  and in the
         Prospectus and the Terms Agreement referred to in Section 3 relating to
         the  Purchased  Bonds,  and the  approval or consent of no other public
         body or authority is  necessary to the  execution  and delivery of such
         Supplemental  Indenture or the validity of the issuance and sale of the
         Purchased  Bonds,  except as may be required under state  securities or
         blue sky laws.

              (d) Except for property specifically excepted from the lien of the
         Indenture or released  therefrom in accordance  with the terms thereof,
         the Company  has good and  marketable  title in fee simple,  except for
         items described in (A), (B), and (C) below, to all of the real property
         purported  in the  Indenture  to be so held,  good and valid  leasehold
         interests in all properties purported in the Indenture to be held under
         lease,  and good and valid title to all other  properties  described in
         the Indenture as subject to the lien thereof (which  property  excludes
         (i)  the  combined  cycle  plant  referred  to in  Note 4 of  Notes  to
         Financial  Statements in the Company's  Form 10-K Report for the fiscal
         year ended December 31, 1994 (the "1994 Form 10-K Report") incorporated
         by reference in the Registration  Statements but includes the Company's
         leasehold and related  interests in that plant and (ii) certain  leased
         interests  in  Unit 2 of the  Palo  Verde  Nuclear  Generating  Station
         referred to in Note 7 of Notes to Financial Statements in the 1994 Form
         10-K Report),  except that the transmission  and distribution  lines of
         the  Company,  other  than  those  located  on land owned in fee by the
         Company,  and the property described in Section 15 of Article IV of the
         Forty-first  Supplemental  Indenture,  have  been  installed  in public
         streets or alleys and in highways under  ordinances and permits granted
         by the various  governmental bodies having  jurisdiction,  or have been
         constructed on leaseholds,  easements or  rights-of-way  granted,  with
         minor exceptions, by the apparent owners of record of the land and such
         leases,  easements,  or rights-of-way  are subject to any defects in or
         encumbrances  on the title of the respective  lessors of such leases or
         grantors of such  easements or  rights-of-way;  title to the  aforesaid
         properties  is  subject  only  to:  (A) the lien of the  Mortgage,  (B)
         Excepted Encumbrances as defined in the Mortgage,  and (C) other liens,
         encumbrances  or  defects,  none  of  which,  individually  or  in  the
         aggregate,  materially interfere with the business or operations of the
         Company (with respect to leasehold interests on the Navajo Reservation,
         this  representation  is intended and shall be  understood to mean only
         that the  Company is the owner of the rights  conferred  upon it by the
         leases from the Navajo Tribe  relating to the sites on which the Navajo
         Plant  and the Four  Corners  Plant  are  located,  and that  while the
         Company  is not  aware of the  assertion  of any claim  contesting  the
         interest of the Navajo Tribe in the lands leased,  the Company does not
         give any  representation  with  respect to the  interest  of the Navajo
         Tribe in the lands leased or with respect to the enforceability of such
         leases against the Navajo Tribe);  the Mortgage,  subject only as above
         set forth in this  clause,  now  constitutes,  and the Mortgage and the
         Supplemental Indentures theretofore executed, subject only as above set
         forth in this clause, when the latter shall have been duly recorded and
         filed, will constitute,  together and as a single instrument,  a direct
         and valid first mortgage lien upon said  properties,  which include all
         of the  properties  of the Company  (other than the classes or items of
         property expressly excepted in the Mortgage); and all properties (other
         than the  classes  or  items  of  property  expressly  excepted  in the
         Mortgage or expressly  released from the lien thereof)  acquired by the
         Company after the date of the  Supplemental  Indenture  relating to the
         Purchased  Bonds in each county in the States of Arizona and New Mexico
         in which the Mortgage and the  Supplemental  Indenture  shall have been
         duly recorded and filed (and, as to which  properties,  with respect to
         priority  only,  any  necessary  recordation  and/or  filing  has  been
         accomplished,   including   therein  any  necessary   descriptions   of
         after-acquired   real   property   and   real   property   upon   which
         after-acquired  fixtures  are  affixed)  will,  upon such  acquisition,
         become subject to the first mortgage lien thereof, subject, however, to
         Excepted  Encumbrances and to liens, if any, existing or placed thereon
         at the time of the acquisition thereof by the Company and, with respect
         to priority only, to liens,  if any,  existing prior to the time of any
         necessary recordation and/or filing by the Company.

              (e) The  Company  holds such  valid  franchises,  certificates  of
         convenience and necessity,  licenses, and permits as are necessary with
         respect to the  maintenance  and operation of its property and business
         as now  conducted,  except that (A) the Company from time to time makes
         minor  extensions of its system prior to the time a related  franchise,
         certificate,  license,  or  permit is  procured,  (B) from time to time
         communities already being served by the Company become incorporated and
         considerable  time may  elapse  before a  franchise  is  procured,  (C)
         certain franchises may have expired prior to the renegotiation thereof,
         (D) the  Company may not have  obtained  certain  permits or  variances
         relating to the environmental requirements described in any of its Form
         10-K  Report,  its Form  10-Q  Reports,  and/or  its  Form 8-K  Reports
         incorporated by reference in the Registration  Statements,  (E) certain
         minor defects and exceptions may exist which,  individually  and in the
         aggregate,  are not deemed material,  and (F) the Company does not make
         any  representation  regarding the geographical scope of any franchise,
         certificate,  license,  or  permit  that  is  not  specific  as to  its
         geographical scope.

     3.  Purchase and Offering.  The obligation of the Underwriters to purchase,
and the obligation of the Company to sell, the Purchased Bonds will be evidenced
by an exchange of facsimile  transmission or other written  communications  (the
"Terms  Agreement")  at the time the Company  determines  to sell the  Purchased
Bonds.  The Terms  Agreement  shall  specify (by  incorporation  by reference or
otherwise)  the parties that will be  Underwriters,  the principal  amount to be
purchased  by  each,  the  purchase  price to be paid by the  Underwriters,  any
compensation or commissions to be paid to Underwriters,  the offering price, and
the  terms of the  Purchased  Bonds  not  already  specified  in the  Indenture,
including, but not limited to, interest rates, maturity,  redemption provisions,
and sinking fund  requirements,  if any. The Terms  Agreement shall also specify
(by  incorporation  by reference or otherwise) the time and date of delivery and
payment (the "Closing Date"), the place of delivery and payment, and any details
of the terms of offering that should be reflected in the  prospectus  supplement
relating to the offering of the Purchased Bonds (the  "Prospectus  Supplement").
It is understood that the  Underwriters  will offer the Purchased Bonds for sale
as set forth in the Prospectus.  The obligations of the Underwriters to purchase
the Purchased  Bonds shall be several and not joint.  Except as may otherwise be
set forth in the Terms Agreement, the Purchased Bonds will be in definitive form
and in such  denominations  and registered in such names as the Underwriters may
request.

     4.  Covenants of the Company. In connection with each offering of Purchased
Bonds, the Company covenants and agrees with the several Underwriters that:

              (a)   The   Company   will   advise   the   Underwriters   or  the
         Representatives  promptly of any proposed  amendment or supplementation
         of the First Registration Statement, the Second Registration Statement,
         the Third Registration Statement, or the Prospectus and will not effect
         such   amendment  or   supplementation   without  the  consent  of  the
         Underwriters or the  Representatives.  The Company will also advise the
         Underwriters  or  the   Representatives   of  the  institution  by  the
         Commission  of any stop  order  proceedings  in  respect  of the  First
         Registration Statement,  the Second Registration  Statement,  the Third
         Registration  Statement,  or of any part thereof, and will use its best
         efforts to prevent the issuance of any such stop order and to obtain as
         soon as possible its lifting, if issued.

              (b) If, at any time when a  prospectus  relating to the  Purchased
         Bonds is required to be delivered  under the Act, any event occurs as a
         result of which the  Prospectus as then amended or  supplemented  would
         include an untrue  statement of a material  fact,  or omit to state any
         material fact necessary to make the statements therein, in the light of
         the circumstances under which they were made, not misleading,  or if it
         is necessary at any time to amend or supplement the First  Registration
         Statement,  the Second Registration  Statement,  the Third Registration
         Statement,  or the  Prospectus  to  comply  with the Act,  the  Company
         promptly  will  prepare and file with the  Commission  an  amendment or
         supplement that will correct such statement or omission or an amendment
         that will effect such compliance.

              (c) As soon as  practicable,  but not later than 18 months,  after
         the date of the Terms Agreement  relating to the Purchased  Bonds,  the
         Company will make generally available to its securityholders an earning
         statement or statements  (which need not be audited)  covering a period
         of at least 12 months  beginning  after the effective date of the Third
         Registration Statement (as defined in Rule 158(c) under the Act), which
         will satisfy the  provisions  of Section ll(a) of the Act and the rules
         and regulations thereunder.

              (d)  The  Company  will  furnish  to  the   Underwriters   or  the
         Representatives such copies of the Registration  Statements  (including
         one copy of the Third Registration  Statement for each  Representative,
         or for each  Underwriter if there are no  Representatives,  and for the
         counsel  for  the  Underwriters,  which  is  signed  and  includes  all
         exhibits),  any  related  preliminary  prospectus  supplements  and the
         Prospectus,  including all amendments or supplements to such documents,
         as may be reasonably requested.

              (e) The Company will arrange or cooperate in arrangements  for the
         qualification of the Purchased Bonds for sale and the  determination of
         their  eligibility for investment under the laws of such  jurisdictions
         as the Underwriters or the Representatives  designate and will continue
         such  qualifications in effect so long as required for the distribution
         of the Purchased Bonds, provided that the Company shall not be required
         to qualify as a foreign corporation in any State, to consent to service
         of process in any State other than with  respect to claims  arising out
         of the  offering  or  sale of the  Purchased  Bonds,  or to meet  other
         requirements deemed by it to be unduly burdensome.

              (f) During  the  period of five years  after the date of the Terms
         Agreement  relating to the Purchased Bonds, the Company will furnish to
         the Underwriters or the Representatives  thereunder, and, upon request,
         each of the other  Underwriters,  (i) as soon as practicable  after the
         end of each fiscal year, a balance  sheet and  statements of income and
         retained  earnings  of the  Company as at the end of and for such year,
         all  in  reasonable   detail  and  certified  by   independent   public
         accountants,  and (ii) (A) as soon as practicable after the end of each
         quarterly fiscal period (except for the last quarterly fiscal period of
         each  fiscal  year),  a balance  sheet and  statement  of income of the
         Company as at the end of and for such period,  all in reasonable detail
         and  certified by a principal  financial or  accounting  officer of the
         Company, (B) as soon as available, a copy of each report of the Company
         mailed by the Company to stockholders or filed with the Commission, and
         (C) from time to time, such other information concerning the Company as
         may  reasonably  be  requested.  So  long  as the  Company  has  active
         subsidiaries, such financial statements will be on a consolidated basis
         to the extent the  accounts  of the Company  and its  subsidiaries  are
         consolidated.

              (g) The Company will pay all expenses  incident to the performance
         of its  obligations  under  this  Agreement,  and  will  reimburse  the
         Underwriters for any reasonable expenses (including reasonable fees and
         disbursements  of  counsel)  incurred  by them in  connection  with the
         qualification  of the  Purchased  Bonds with respect to which the Terms
         Agreement  relating to the  Purchased  Bonds has been entered for sale,
         and the  determination of their  eligibility for investment,  under the
         laws of such jurisdictions as the  Representatives  or, if there are no
         Representatives,  the  Underwriters  designate,  and  the  printing  of
         memoranda  relating  thereto,  and for any fees  charged by  investment
         rating agencies for the rating of the Purchased Bonds.

              (h) The Company  will not offer or sell any of its First  Mortgage
         Bonds  for a period  beginning  at the time of  execution  of the Terms
         Agreement  relating  to the  Purchased  Bonds and ending on the Closing
         Date relating  thereto without prior consent of the Underwriters or the
         Representatives.

     5.  Conditions of the Obligations of the  Underwriters.  The obligations of
the several  Underwriters  to purchase and pay for the  Purchased  Bonds will be
subject to the accuracy of the representations and warranties on the part of the
Company  herein,  to the accuracy of the  statements  of Company  officers  made
pursuant to the  provisions  hereof,  to the  performance  by the Company of its
obligations hereunder, and to the following additional conditions precedent:

              (a) The Underwriters or the Representatives  shall have received a
         letter  from  DELOITTE  &  TOUCHE  LLP,  dated  the  date of the  Terms
         Agreement,  confirming  that  they  are  independent  certified  public
         accountants within the meaning of the Act and the applicable  published
         Rules and  Regulations  thereunder,  and  stating in effect that (i) in
         their  opinion the  financial  statements  and schedules of the Company
         examined by them and  incorporated  by  reference  in the  Registration
         Statements  comply  as to  form  in  all  material  respects  with  the
         applicable  accounting  requirements of the Securities  Exchange Act of
         1934  (the  "1934  Act")  and  the  published   Rules  and  Regulations
         thereunder  and (ii) on the basis of a reading of the latest  available
         interim financial statements of the Company,  inquiries of officials of
         the Company responsible for financial and accounting matters, and other
         specified procedures,  nothing came to their attention that caused them
         to believe that (A) the unaudited financial statements  incorporated by
         reference,  if any, in the Registration  Statements do not comply as to
         form  in  all  material   respects  with  the   applicable   accounting
         requirements  of the 1934 Act and the published  Rules and  Regulations
         thereunder or are not stated on a basis  substantially  consistent with
         that of the audited financial  statements  incorporated by reference in
         the  Registration  Statements,  (B) at the  date  of  the  most  recent
         available  unaudited  financial  statements and at a specified date not
         more than five days prior to the date of this Agreement,  there was any
         increase in the amounts of common stock, redeemable preferred stock, or
         non-redeemable   preferred  stock  of  the  Company  or  any  increase,
         exceeding $10,000,000, in long-term debt of the Company or, at the date
         of the most recent available unaudited  financial  statements there was
         any decrease in net assets as compared  with amounts  shown in the most
         recent   financial   statements   incorporated   by  reference  in  the
         Registration  Statements,  or (C) for the twelve-month  period ended at
         the date of the most recent available  unaudited  financial  statements
         there  were  any   decreases,   exceeding  3%,  as  compared  with  the
         twelve-month  period  ended at the date of the  most  recent  financial
         statements incorporated by reference in the Registration Statements, in
         the amounts of total  revenues  or net income,  except in all cases for
         increases or decreases  which result from the declaration or payment of
         dividends, or which the Registration Statements (including any material
         incorporated by reference therein) disclose have occurred or may occur,
         or which are described in such letter.

              (b) No  stop  order  suspending  the  effectiveness  of the  First
         Registration Statement,  the Second Registration  Statement,  the Third
         Registration  Statement, or any part thereof shall have been issued and
         no proceedings  for that purpose shall have been  instituted or, to the
         knowledge of the Company or the Underwriters,  shall be contemplated by
         the Commission.

              (c) Subsequent to the execution of the Terms Agreement relating to
         the Purchased Bonds,  (i) there shall not have occurred any change,  or
         any  development  involving  a  prospective  change,  in  or  affecting
         particularly   the  business  or  properties  of  the  Company  or  its
         subsidiaries  which,  in the  judgment of a majority in interest of the
         Underwriters under such Terms Agreement, including any Representatives,
         materially  impairs the investment quality of the Purchased Bonds, (ii)
         there shall not have  occurred a suspension  or material  limitation in
         trading in securities  generally on the New York Stock Exchange,  (iii)
         there  shall not have  occurred  a  general  moratorium  on  commercial
         banking  activities in New York declared by either  Federal or New York
         State  authorities,  (iv)  no  rating  of  any of  the  Company's  debt
         securities  shall have been lowered and there shall have been no public
         announcement  that  any  such  debt  securities  have  been  placed  on
         CreditWatch, Watchlist, or under any similar surveillance or review, in
         each case with negative implications,  by any recognized rating agency,
         and (v) there shall not have  occurred  any outbreak or  escalation  of
         major  hostilities  in  which  the  United  States  is  involved,   any
         declaration  of war by  Congress or any other  substantial  national or
         international  calamity or emergency  if, in the judgment of a majority
         in interest of the Underwriters  under such Terms Agreement,  including
         any  Representatives,  the  effect  of any such  outbreak,  escalation,
         declaration,  calamity or emergency makes it impractical or inadvisable
         to proceed with completion of the sale of and payment for the Purchased
         Bonds.

              (d) The Underwriters or the Representatives shall have received an
         opinion of Snell & Wilmer  L.L.P.,  counsel for the Company,  dated the
         relevant Closing Date, to the effect that:

                       (i) The Company is a corporation duly organized,  validly
                  existing,  and in good standing under the laws of the State of
                  Arizona and has full corporate power and authority to carry on
                  its business as presently  conducted;  and the Company is duly
                  qualified  as a foreign  corporation  to do business and is in
                  good  standing  in the  State of New  Mexico,  the only  other
                  jurisdiction in which it owns or leases substantial properties
                  or  in  which  the  conduct  of  its  business  requires  such
                  qualification;

                       (ii) The  Purchased  Bonds  have  been  duly  authorized,
                  executed,  authenticated,  issued,  and delivered,  constitute
                  valid and legally binding  obligations of the Company entitled
                  to the benefits and security provided by the Indenture (except
                  as the same may be limited by (a) general principles of equity
                  or by  bankruptcy,  insolvency,  reorganization,  arrangement,
                  moratorium,  or other laws or equitable principles relating to
                  or affecting the enforcement of creditors' rights generally or
                  the enforcement of the security provided by the Indenture, (b)
                  the necessity  for  compliance  with the statutory  procedural
                  requirements  governing  the exercise of remedies by a secured
                  creditor,  and (c) the  qualification  that  certain  waivers,
                  procedures,  remedies,  and other  provisions of the Purchased
                  Bonds and the Indenture may be unenforceable  under or limited
                  by the law of the State of Arizona; however, such law does not
                  in such counsel's opinion  substantially prevent the practical
                  realization  of the benefits  intended by such  documents) and
                  conform to the description thereof in the Prospectus;

                       (iii) The Indenture has been duly  authorized,  executed,
                  and  delivered,  has  been  duly  qualified  under  the  Trust
                  Indenture Act, and constitutes a valid and binding  instrument
                  enforceable  in  accordance  with its terms except as the same
                  may be  limited  by (a)  general  principles  of  equity or by
                  bankruptcy,    insolvency,    reorganization,     arrangement,
                  moratorium,  or other laws or equitable principles relating to
                  or affecting the enforcement of creditors' rights generally or
                  the enforcement of the security provided by the Indenture, (b)
                  the necessity  for  compliance  with the statutory  procedural
                  requirements  governing  the exercise of remedies by a secured
                  creditor,  and (c) the  qualification  that  certain  waivers,
                  procedures,  remedies,  and other  provisions of the Purchased
                  Bonds and the Indenture may be unenforceable  under or limited
                  by the law of the State of Arizona; however, such law does not
                  in such counsel's opinion  substantially prevent the practical
                  realization of the benefits intended by such documents;

                       (iv) Except for property  specifically  excepted from the
                  lien of the Indenture or released therefrom in accordance with
                  the terms thereof,  the Company has good and marketable  title
                  in fee simple, except for items described in (A), (B), and (C)
                  below,  to all of  the  real  property  and  fixtures  thereon
                  purported  in the  Indenture  to be so held  and that are both
                  located in the State of Arizona and  described  in those title
                  reports  covering  at  least  the  Saguaro,   Yucca,   Cholla,
                  Ocotillo,  West  Phoenix,  and Palo Verde plant sites that are
                  listed on an exhibit to such opinion  (the "Title  Documents")
                  (in giving such opinion, such counsel may rely solely upon the
                  Title Documents and may assume the accuracy thereof and of the
                  real  property  descriptions  contained  therein and may state
                  that no other  investigation  or  inquiry  has been  made with
                  respect thereto),  and in giving the opinions  described below
                  with respect to any liens,  defects,  and encumbrances on such
                  title to such personal property,  such counsel may assume that
                  the Company  has good and valid  title to all of the  personal
                  property  located in the State of Arizona and described in the
                  Indenture as subject to the lien thereof (which property shall
                  not include fixtures),  and such counsel may rely solely upon,
                  and assume the accuracy of, a search of the Uniform Commercial
                  Code Financing  Statements filed in the records of the Arizona
                  Secretary  of State and may assume  that there are no liens or
                  other  encumbrances  on  personal  property  (as  used  in the
                  Arizona Uniform Commercial Code) of the Company located in the
                  State of Arizona other than liens or other  encumbrances  that
                  have been  perfected  by filing with the Arizona  Secretary of
                  State  under  Arizona  Revised  Statutes   ("A.R.S.")  Section
                  47-9401.A;  such title is subject only to: (A) the lien of the
                  Mortgage,   (B)  Excepted   Encumbrances  as  defined  in  the
                  Mortgage, and (C) other liens, encumbrances,  or defects, none
                  of which,  individually or in the aggregate, in the opinion of
                  such  counsel,  materially  interfere  with  the  business  or
                  operations  of the  Company (in  determining  whether any such
                  other liens,  encumbrances,  or defects  materially  interfere
                  with the business or operations  of the Company,  such counsel
                  may rely solely upon a  certificate  of an officer or engineer
                  of the Company  which  shall be  attached to such  opinion and
                  such opinion may state that no other  investigation or inquiry
                  with respect  thereto has been made);  the  Mortgage,  subject
                  only as above set forth in this clause,  now constitutes,  and
                  the  Mortgage  and  the  Supplemental  Indentures  theretofore
                  executed, subject only as above set forth in this clause, when
                  the latter  shall  have been duly  recorded  and  filed,  will
                  constitute,  together and as a single instrument, a direct and
                  valid  first  mortgage  lien  upon  said  property;   and  all
                  properties  (other  than the  classes  or  items  of  property
                  expressly  excepted in the Mortgage or expressly released from
                  the lien  thereof)  acquired by the Company  after the date of
                  the Supplemental  Indenture relating to the Purchased Bonds in
                  each county in the State of Arizona in which the  Mortgage and
                  the  Supplemental  Indenture shall have been duly recorded and
                  filed  and,  with  respect to  priority  only,  any  necessary
                  recordation  and/or  filing has been  accomplished  (including
                  therein any  necessary  descriptions  of  after-acquired  real
                  property and real property upon which after-acquired  fixtures
                  are affixed) will,  upon such  acquisition,  become subject to
                  the first mortgage lien thereof, subject, however, to Excepted
                  Encumbrances and to liens, if any,  existing or placed thereon
                  at the time of the  acquisition  thereof by the  Company  and,
                  with  respect to priority  only,  to liens,  if any,  existing
                  prior to the time of any necessary  recordation  and/or filing
                  by the Company;

                       (v) The Company is the owner of the rights conferred upon
                  it by the leases from the Navajo Tribe relating to the site on
                  which the Navajo  Plant is located  and while such  counsel is
                  not aware of the assertion of any claim  contesting  the title
                  of the Navajo Tribe to the lands  leased,  such counsel  shall
                  not be required to express  any  opinion  with  respect to the
                  interest  of the  Navajo  Tribe in the  lands  leased  or with
                  respect  to the  enforceability  of such  leases  against  the
                  Navajo Tribe;

                       (vi)   With   certain   exceptions,   a  public   service
                  corporation is required to obtain  certificates of convenience
                  and necessity from the Arizona  Corporation  Commission  under
                  A.R.S.  Section 40-281.A for construction of its lines, plant,
                  services,  or systems, or any extensions  thereof,  within the
                  State of Arizona, and to obtain franchises or similar consents
                  or permits from counties and incorporated municipalities under
                  A.R.S. Section 40-283.A for the construction,  operation,  and
                  maintenance of transmission lines within the State of Arizona;
                  to the best of such counsel's knowledge after due inquiry, the
                  Company   holds  such  valid   franchises,   certificates   of
                  convenience and necessity,  consents,  and permits pursuant to
                  such statutory provisions as are necessary with respect to the
                  maintenance  and operation of its property and business as now
                  conducted, except that (A) the Company from time to time makes
                  minor  extensions  of its  system  prior to the time a related
                  franchise,  certificate,  license, or permit is procured,  (B)
                  from  time to time  communities  already  being  served by the
                  Company become  incorporated and considerable  time may elapse
                  before a franchise is  procured,  (C) certain  franchises  may
                  have expired prior to the renegotiation  thereof,  (D) certain
                  minor defects and exceptions may exist which, individually and
                  in the  aggregate,  are not  deemed  material,  and  (E)  such
                  counsel need not be required to express any opinion  regarding
                  the geographical scope of any franchise, certificate, license,
                  or permit that is not specific as to its geographical scope;

                       (vii) The issuance and sale of the Purchased Bonds on the
                  terms and conditions set forth or  contemplated  herein and in
                  the  Prospectus  and  the  Terms  Agreement  relating  to  the
                  Purchased   Bonds  and  the  execution  and  delivery  of  the
                  Supplemental  Indenture  relating to the Purchased  Bonds have
                  been duly  authorized by the Arizona  Corporation  Commission,
                  said  Commission  had  jurisdiction  in the  premises,  and no
                  further  approval,  authorization,  or  consent  of any  other
                  public  board or body is  necessary  to the  validity  of such
                  issuance and sale of such Purchased Bonds or the execution and
                  delivery  of such  Supplemental  Indenture,  except  as may be
                  required under state  securities or blue sky laws, as to which
                  laws such counsel shall not be required to express an opinion;

                       (viii)  The  First  Registration  Statement,  the  Second
                  Registration  Statement,  and the Third Registration Statement
                  have become  effective  under the Act, and, to the best of the
                  knowledge  of such  counsel,  no  stop  order  suspending  the
                  effectiveness of the First Registration Statement,  the Second
                  Registration  Statement,  or the Third Registration  Statement
                  has been issued and no proceedings  for that purpose have been
                  instituted or are pending or  contemplated  under the Act, and
                  each  part  of the  Registration  Statements  relating  to the
                  Bonds, when such part became effective, and the Prospectus, as
                  of the date of the Prospectus  Supplement,  and each amendment
                  or supplement  thereto,  as of their  respective  effective or
                  issue dates, complied as to form in all material respects with
                  the  requirements of the Act, the Trust Indenture Act, and the
                  published Rules and Regulations; such counsel has no reason to
                  believe  that any part of the  Registration  Statements,  when
                  such  part  became  effective,   or  the  First   Registration
                  Statement,   the  Second  Registration  Statement,  the  Third
                  Registration Statement,  or the Prospectus,  as of the date of
                  the Prospectus  Supplement,  or as of the Closing Date, or any
                  amendment  or  supplement  thereto,  as  of  their  respective
                  effective or issue dates, or as of the Closing Date, contained
                  any untrue  statement  of a material  fact or omitted to state
                  any material fact  required to be stated  therein or necessary
                  to  make  the   statements   therein   not   misleading;   the
                  descriptions in the Registration  Statements and Prospectus of
                  statutes,  legal and  governmental  proceedings and contracts,
                  and other  documents  are  accurate  and  fairly  present  the
                  information  required to be shown; and to the actual knowledge
                  of  those  persons  in the  lawyer  group  described  in  such
                  opinion,  there  are  no  legal  or  governmental  proceedings
                  required  to be  described  in the  Prospectus  that  are  not
                  described  as  required,  nor any  contracts or documents of a
                  character   required  to  be  described  in  the  Registration
                  Statements  or  Prospectus  or to be filed as  exhibits to the
                  Registration  Statements  that are not  described and filed as
                  required (it being  understood  that such counsel need express
                  no opinion as to the financial  statements or other  financial
                  data   contained  in  the   Registration   Statements  or  the
                  Prospectus); and

                       (ix) This  Agreement  and the Terms  Agreement  have been
                  duly authorized, executed, and delivered by the Company.

     In giving  such  opinion,  (a) Snell & Wilmer  L.L.P.  may rely solely upon
certificates  of the  Company  as to any  factual  matters  upon  which any such
opinions  are based and may rely upon the  opinion  of  Keleher & McLeod,  P.A.,
referred to below,  as to all  matters  governed by the laws of the State of New
Mexico,  but the opinion of Snell & Wilmer L.L.P.  shall state that, though they
are members of the Arizona Bar and do not hold  themselves out as experts on the
laws of the  State of New  Mexico,  they  have  made a study of the laws of such
State  insofar  as such laws are  involved  in the  conclusions  stated in their
opinion, other than such laws as relate to matters of title, and from such study
it is their opinion that such laws support such  conclusions  and that, in their
opinion,  the Underwriters and they are justified to such extent in relying upon
the opinion of Keleher & McLeod,  P.A.;  and (b) the lawyer group referred to in
such opinion will mean those lawyers in the offices of Snell & Wilmer L.L.P. who
(i) have billed any time on the  particular  transaction  to which such  opinion
relates or (ii) have  billed  more than ten hours to any  Company  matter in the
twelve-month  period  preceding  the date on which the list of such  lawyers was
compiled for purposes of inquiry pursuant to such opinion.

         (e) The  Underwriters  or the  Representatives  shall have  received an
    opinion of Keleher & McLeod, P.A., New Mexico counsel for the Company, dated
    the Closing Date, to the effect that:

              (i) The Company is duly  qualified as a foreign  corporation to do
         business  and is in good  standing  in the State of New  Mexico and has
         full corporate power and authority to engage in the State of New Mexico
         in the business now conducted by it therein;

              (ii) The  activities  of the Company in the State of New Mexico to
         date do not constitute it a "public utility" as that term is defined in
         the  relevant  laws of the State of New  Mexico,  and  accordingly,  no
         public utility  franchises or certificates of convenience and necessity
         are necessary  under New Mexico law with respect to the maintenance and
         operation of the  Company's  property and business as now  conducted in
         the State of New Mexico and no approval,  authorization,  or consent of
         the New Mexico Public  Utility  Commission or any other public board or
         body of the State of New Mexico is required  for the  issuance and sale
         of the Purchased  Bonds on the terms and  conditions  herein and in the
         Prospectus  set  forth  or  contemplated  or for the  execution  of the
         Supplemental  Indenture relating to the Purchased Bonds,  except as may
         be required  under New Mexico state  securities or blue sky laws, as to
         which laws such counsel shall not be required to express an opinion;

              (iii) Assuming that the Company has good and valid title to all of
         the personal  property located in the State of New Mexico and described
         in the Indenture as subject to the lien thereof  (which  property shall
         not include  fixtures)  ("Personal  Property"),  in giving the opinions
         described below with respect to any liens,  defects and encumbrances on
         such title to such  Personal  Property,  such  counsel  may rely solely
         upon,  and assume the accuracy  of, a search of the Uniform  Commercial
         Code  Financing  Statements  filed  in the  records  of the New  Mexico
         Secretary  of State  and may  assume  that  there are no liens or other
         encumbrances  on personal  property (as used in the New Mexico  Uniform
         Commercial  Code) of the  Company  located  in the State of New  Mexico
         other  than liens or other  encumbrances  that have been  perfected  by
         filing with the New Mexico  Secretary of State under Section  55-9-401,
         New  Mexico  Statutes  Annotated  1978;  such  title  to such  Personal
         Property is subject only to: (A) the lien of the Mortgage, (B) Excepted
         Encumbrances  as  defined  in  the  Mortgage,   and  (C)  other  liens,
         encumbrances,  or  defects,  none  of  which,  individually  or in  the
         aggregate,  in the opinion of such counsel,  materially  interfere with
         the business or operations of the Company (in  determining  whether any
         such other liens,  encumbrances,  or defects materially  interfere with
         the business or operations of the Company, such counsel may rely solely
         upon a certificate of an officer or engineer of the Company which shall
         be  attached to such  opinion and such  opinion may state that no other
         investigation  or inquiry  with  respect  thereto has been  made);  the
         Mortgage,  subject  only  as  above  set  forth  in  this  clause,  now
         constitutes,   and  the  Mortgage  and  the   Supplemental   Indentures
         theretofore  executed,  subject only as above set forth in this clause,
         when  the  latter  shall  have  been  duly  recorded  and  filed,  will
         constitute,  together  and as a single  instrument,  a direct and valid
         first  mortgage lien upon such Personal  Property;  and all  properties
         (other than the classes or items of property  expressly excepted in the
         Mortgage or expressly  released from the lien thereof)  acquired by the
         Company after the date of the  Supplemental  Indenture  relating to the
         Purchased  Bonds in each county in the State of New Mexico in which the
         Mortgage and the  Supplemental  Indenture shall have been duly recorded
         and filed and, with respect to priority only, any necessary recordation
         and/or filing has been  accomplished  (including  therein any necessary
         descriptions  of  after-acquired  real  property and real property upon
         which after-acquired fixtures are affixed) will, upon such acquisition,
         become subject to the first mortgage lien thereof, subject, however, to
         Excepted  Encumbrances and to liens, if any, existing or placed thereon
         at the time of the acquisition thereof by the Company and, with respect
         to priority only, to liens,  if any,  existing prior to the time of any
         necessary recordation and/or filing by the Company;

              (iv) The Company is the owner of the rights  conferred  upon it by
         the leases from the Navajo Tribe relating to the site on which the Four
         Corners  plant is located  and while  such  counsel is not aware of the
         assertion of any claim  contesting  the interest of the Navajo Tribe in
         the lands  leased,  such  counsel  shall not be required to express any
         opinion  with  respect to the interest of the Navajo Tribe in the lands
         leased or with respect to the enforceability of such leases against the
         Navajo Tribe.

In giving such opinion, Keleher & McLeod, P.A. may rely solely upon certificates
of the Company as to any factual matters upon which any such opinions are based.

              (f) The  Underwriters or the  Representatives  shall have received
         from counsel for the Underwriters  such opinion or opinions,  dated the
         Closing Date,  with respect to the  incorporation  of the Company,  the
         validity of the  Purchased  Bonds,  the  Registration  Statements,  the
         Prospectus,  and other related  matters as may  reasonably be required,
         and the Company shall have  furnished to such counsel such documents as
         they  request  for the  purpose  of  enabling  them to pass  upon  such
         matters.  In rendering  such  opinion,  such counsel may rely as to the
         incorporation of the Company and all other matters governed by the laws
         of the States of Arizona  and New Mexico  upon the  opinions of Snell &
         Wilmer L.L.P. and Keleher & McLeod, P.A., referred to above.

              (g) The Underwriters or the Representatives  shall have received a
         certificate  of the  President  or any Vice  President  and a principal
         financial or accounting officer of the Company, dated the Closing Date,
         in which such officers, to the best of their knowledge after reasonable
         investigation,  shall state that the  representations and warranties of
         the Company in this  Agreement  are true and correct,  that the Company
         has complied with all  agreements  and satisfied all  conditions on its
         part to be performed or satisfied at or prior to the Closing Date, that
         no stop order suspending the  effectiveness  of the First  Registration
         Statement, the Second Registration Statement, or the Third Registration
         Statement has been issued and no proceedings for that purpose have been
         instituted or are contemplated by the Commission,  and that, subsequent
         to the date of the most recent financial  statements in the Prospectus,
         there has been no material adverse change in the financial  position or
         results of operations of the Company and its subsidiaries except as set
         forth  or  contemplated  in the  Prospectus  or as  described  in  such
         certificate.

              (h) The Underwriters or the Representatives  shall have received a
         letter of DELOITTE & TOUCHE LLP,  dated the Closing  Date,  which meets
         the  requirements  of subsection  (a) of this Section,  except that the
         specified date referred to in such  subsection  will be a date not more
         than five  days  prior to the  Closing  Date for the  purposes  of this
         subsection.

         The Company will furnish the Underwriters or the  Representatives  with
such conformed copies of such opinions, certificates,  letters, and documents as
may be reasonably requested.

         6.  Indemnification.  (a) The Company will  indemnify and hold harmless
each Underwriter and each person,  if any, who controls such Underwriter  within
the meaning of the Act against any losses, claims, damages or liabilities, joint
or several,  to which such  Underwriter  or such  controlling  person may become
subject, under the Act or otherwise, insofar as such losses, claims, damages, or
liabilities  (or actions in respect  thereof) arise out of or are based upon any
untrue  statement or alleged untrue  statement of any material fact contained in
any part of the Registration  Statements  relating to the Bonds,  when such part
became effective,  the First  Registration  Statement,  the Second  Registration
Statement, the Third Registration Statement, the Prospectus, or any amendment or
supplement  thereto,  or arise out of or are based upon the  omission or alleged
omission  to state  therein a material  fact  required  to be stated  therein or
necessary to make the statements therein not misleading; and will reimburse each
Underwriter  and each such  controlling  person for any legal or other  expenses
reasonably incurred by such Underwriter or such controlling person in connection
with  investigating or defending any such loss,  claim,  damage,  liability,  or
action; provided,  however, that the Company will not be liable in any such case
to the extent that any such loss,  claim,  damage, or liability arises out of or
is based upon an untrue  statement  or alleged  untrue  statement or omission or
alleged  omission  made  in  any of  such  documents  in  reliance  upon  and in
conformity with written information  furnished to the Company by any Underwriter
specifically  for use therein.  This indemnity  agreement will be in addition to
any liability which the Company may otherwise have.

         (b) Each  Underwriter  will  severally  indemnify and hold harmless the
Company,  each of its  directors,  each of its  officers  who  have  signed  the
Registration  Statements,  and each  person,  if any,  who  controls the Company
within  the  meaning  of the  Act,  against  any  losses,  claims,  damages,  or
liabilities to which the Company or any such director,  officer,  or controlling
person may become subject,  under the Act or otherwise,  insofar as such losses,
claims,  damages, or liabilities (or actions in respect thereof) arise out of or
are based upon any untrue  statement or alleged untrue statement of any material
fact contained in any part of the Registration Statements relating to the Bonds,
when such part became effective,  the First Registration  Statement,  the Second
Registration Statement, the Third Registration Statement, the Prospectus, or any
amendment or supplement  thereto, or arise out of or are based upon the omission
or the alleged  omission to state  therein a material fact required to be stated
therein or necessary to make the statements therein not misleading, in each case
to the extent,  but only to the extent,  that such untrue  statement  or alleged
untrue  statement or omission or alleged  omission was made in reliance upon and
in  conformity  with  written  information  furnished  to the  Company  by  such
Underwriter  specifically for use therein; and will reimburse any legal or other
expenses  reasonably  incurred by the Company or any such director,  officer, or
controlling  person in connection with investigating or defending any such loss,
claim,  damage,  liability,  or  action.  This  indemnity  agreement  will be in
addition to any liability which such Underwriter may otherwise have.

         (c) Promptly after receipt by an  indemnified  party under this Section
of notice of the commencement of any action,  such indemnified  party will, if a
claim in respect thereof is to be made against the indemnifying party under this
Section,  notify the  indemnifying  party of the commencement  thereof;  but the
omission  so to notify  the  indemnifying  party  will not  relieve  it from any
liability that it may have to any  indemnified  party  otherwise than under this
Section.  In case any such action is brought against any indemnified  party, and
it notifies the indemnifying party of the commencement thereof, the indemnifying
party will be entitled  to  participate  therein  and, to the extent that it may
wish, jointly with any other indemnifying  party similarly  notified,  to assume
the defense thereof,  with counsel  satisfactory to such indemnified  party (who
shall not,  without  the  consent of the  indemnified  party,  be counsel to the
indemnifying  party),  and  after  notice  from the  indemnifying  party to such
indemnified  party  of its  election  so to  assume  the  defense  thereof,  the
indemnifying  party  will not be liable to such  indemnified  party  under  this
Section  for  any  legal  or  other  expenses   subsequently  incurred  by  such
indemnified  party in connection  with the defense thereof other than reasonable
costs of investigation.

         (d) If the indemnification  provided for in this Section is unavailable
or  insufficient  to hold  harmless an  indemnified  party for any loss,  claim,
damage, liability, or action described in subsection (a) or (b) above, then each
indemnifying  party  shall  contribute  to the  amount  paid or  payable by such
indemnified  party as a result of the  losses,  claims,  damages or  liabilities
referred to in subsection (a) or (b) above on the following  basis:  (l) if such
loss,  claim,  damage,  liability,  or action arises under subsection (a) above,
then (i) in such  proportion as is appropriate to reflect the relative  benefits
received by the Company on the one hand and the  Underwriters  on the other from
the offering of the Bonds or (ii) if the allocation provided by clause (i) above
is not permitted by applicable  law, in such  proportion  as is  appropriate  to
reflect not only the relative  benefits referred to in clause (i) above but also
the relative  fault of the Company on the one hand and the  Underwriters  on the
other in  connection  with the  statements or omissions  which  resulted in such
losses,  claims,  damages or liabilities as well as any other relevant equitable
considerations; and (2) if such loss, claim, damage, liability, or action arises
under subsection (b) above, then in such proportion as is appropriate to reflect
the relative  fault of the Company on the one hand and the  Underwriters  on the
other in  connection  with the  statements or omissions  which  resulted in such
losses,  claims,  damages or liabilities as well as any other relevant equitable
considerations.  For the  purposes of clause (1) above,  the  relative  benefits
received by the Company on the one hand and the  Underwriters on the other shall
be  deemed to be in the same  proportion  as the  total  net  proceeds  from the
offering (before deducting  expenses)  received by the Company bear to the total
underwriting  discounts and commissions  received by the  Underwriters.  For the
purposes of clauses (1) and (2) above, the relative fault shall be determined by
reference to, among other things, whether the untrue or alleged untrue statement
of a material fact or the omission or alleged  omission to state a material fact
relates to  information  supplied  by the  Company or the  Underwriters  and the
parties'  relative intent,  knowledge,  access to information and opportunity to
correct or prevent  such untrue  statement  or  omission.  The amount paid by an
indemnified  party as a result of the  losses,  claims,  damages or  liabilities
referred  to in the first  sentence  of this  subsection  (d) shall be deemed to
include any legal or other  expenses  reasonably  incurred  by such  indemnified
party in connection with investigating or defending any action or claim which is
the  subject  of  this   subsection   (d).  No  person   guilty  of   fraudulent
misrepresentation  (within  the  meaning of  Section  ll(f) of the Act) shall be
entitled to  contribution  from any person who was not guilty of such fraudulent
misrepresentation.  The  Underwriters'  obligations  in this  subsection  (d) to
contribute   are  several  in  proportion  to  their   respective   underwriting
obligations and not joint.

         7. Default of Underwriters.  If any Underwriter or Underwriters default
in their obligations to purchase  Purchased Bonds pursuant to this Agreement and
the Terms  Agreement  and the  principal  amount of  Purchased  Bonds  that such
defaulting  Underwriter  or  Underwriters  agreed but failed to  purchase is ten
percent (10%) or less of the principal  amount of Purchased  Bonds to which such
Terms  Agreement  relates,  the  Underwriters  or the  Representatives  may make
arrangements  satisfactory  to the  Company for the  purchase of such  Purchased
Bonds  by  other  persons,  including  any of the  Underwriters,  but if no such
arrangements are made by the Closing Date the nondefaulting  Underwriters  shall
be obligated severally,  in proportion to their respective commitments hereunder
and under  such Terms  Agreement,  to  purchase  the  Purchased  Bonds that such
defaulting  Underwriter or  Underwriters  agreed but failed to purchase.  If any
Underwriter or  Underwriters  so default and the aggregate  principal  amount of
Purchased  Bonds with  respect to which such  default or defaults  occur is more
than the above-described  amount and arrangements  satisfactory to the remaining
Underwriters  and the Company for the purchase of such Purchased  Bonds by other
persons  are not made within  thirty-six  hours  after such  default,  the Terms
Agreement will  terminate  without  liability on the part of any  non-defaulting
Underwriter  or the  Company,  except as  provided in Section 8. As used in this
Agreement,  the  term  "Underwriter"  includes  any  person  substituted  for an
Underwriter  under  this  Section.  Nothing  herein  will  relieve a  defaulting
Underwriter from liability for its default.

         8. Survival of Certain Representations and Obligations.  The respective
indemnities,  agreements,  representations,  warranties, and other statements of
the Company or its officers and of the several Underwriters set forth in or made
pursuant to this  Agreement  will remain in full force and effect  regardless of
any investigation,  or statement as to the results thereof, made by or on behalf
of any  Underwriter  or the Company or any of its  officers or  directors or any
controlling  person,  and will survive delivery of and payment for the Purchased
Bonds. If any Terms Agreement is terminated pursuant to Section 7, or if for any
reason a  purchase  pursuant  to any Terms  Agreement  is not  consummated,  the
Company shall remain responsible for the expenses to be paid or reimbursed by it
pursuant  to Section 4 and the  respective  obligations  of the  Company and the
Underwriters pursuant to Section 6 shall remain in effect.

         9. Notices.  All  communications  hereunder relating to any offering of
Purchased  Bonds will be in writing,  and, if sent to the  Underwriters,  may be
mailed, delivered, or telecopied and confirmed to the Representative first named
in the Terms Agreement  relating to such Purchased Bonds or the  Underwriters at
their  addresses  furnished  to the  Company  in  writing  for  the  purpose  of
communications; provided, however, that any notice to an Underwriter pursuant to
Section 6 will be mailed,  delivered,  or telecopied  and confirmed to each such
Underwriter  at its own  address.  All  communications  hereunder to the Company
shall be  mailed  to the  Company,  Attention:  Treasurer,  at P.O.  Box  53999,
Phoenix,  Arizona 85072-3999,  or delivered,  or telecopied and confirmed to the
Company at 400 North Fifth Street, Phoenix, Arizona 85004.

         10.  Successors.  This  Agreement  will inure to the  benefit of and be
binding  upon the  parties  hereto and such  Underwriters  as are named in Terms
Agreements  and their  respective  successors and the officers and directors and
controlling  persons referred to in Section 6, and no other person will have any
right or obligation hereunder.

         11.  Representation of Underwriters.  The Representatives,  if any, may
act for the several  Underwriters  in  connection  with any  offering to which a
Terms  Agreement may relate,  and any action under this  Agreement or such Terms
Agreement taken by the Representatives jointly or the Representative first named
in  such  Terms  Agreement  in  such  capacity  will  be  binding  upon  all the
Underwriters of Purchased Bonds to which such Terms Agreement relates.

         12.  Execution in  Counterpart.  This Agreement and any Terms Agreement
may be executed in one or more counterparts, each of which shall be deemed to be
an original,  but all such respective  counterparts shall together  constitute a
single instrument.

         If the  foregoing  is in  accordance  with  your  understanding  of our
agreement, kindly sign and return to us the enclosed duplicate hereof, whereupon
it will  become  a  binding  agreement  between  the  Company  and  the  several
Underwriters in accordance with its terms.



                                                  Very truly yours,

                                                  ARIZONA PUBLIC SERVICE COMPANY


                                                  By
                                                     ---------------------------
                                                     Treasurer



The foregoing  Underwriting Agreement is hereby confirmed and accepted as of the
date first above written.


- ----------------------------


                                  Exhibit 1.2



                         ARIZONA PUBLIC SERVICE COMPANY

                                   Securities


                             UNDERWRITING AGREEMENT
                             ----------------------






Dear Sir or Madam:

         1. Introduction. Arizona Public Service Company, an Arizona corporation
            ------------
(the "Company"),  proposes to issue and sell from time to time up to $50,000,000
in  aggregate  principal  amount  of its  unsecured  debentures,  notes or other
evidences of indebtedness (the  "Securities")  registered under the registration
statements  referred to in Section 2(a). The Securities will be issued under the
Indenture,   dated   as   of                   ,   between   the   Company   and
                               ----------------
                      ,   as  Trustee,   (the   "Indenture"),   as  amended  and
- ----------------------
supplemented by one or more Supplemental  Indentures between the Company and the
Trustee  (each,  a  "Supplemental  Indenture")  (the  Indenture  as amended  and
supplemented  by  such  Supplemental   Indentures  being  sometimes  hereinafter
referred to as the  "Indenture").  The Securities  will be issued in one or more
series,  which  series may vary as to  interest  rates,  maturities,  redemption
provisions,  selling  prices,  and  other  terms,  with all such  terms  for any
particular  issue  of the  Securities  being  determined  at the  time of  sale.
Particular issues of the Securities may be sold from time to time to one or more
of the firms to whom this Agreement is addressed,  and to such other  purchasers
as the Company shall  designate and as shall agree in writing to comply with the
terms and conditions of this Agreement,  for resale in accordance with the terms
of offering  determined at the time of sale. The Securities involved in any such
offering are hereinafter referred to as the "Purchased Securities," the party or
parties  that agree to  purchase  the same are  hereinafter  referred  to as the
"Underwriters"  of  such  Purchased   Securities,   and  the  representative  or
representatives  of the  Underwriters,  if any,  specified in a Terms  Agreement
referred to in Section 3 are hereinafter referred to as the "Representatives."

         2.  Representations  and Warranties of the Company.  In connection with
             ----------------------------------------------
each offering of the Purchased  Securities,  the Company represents and warrants
to, and agrees with, the Underwriters that:

         (a) A registration  statement (No. 33-55473) relating to $25,000,000 of
    the  Securities  and a  registration  statement  (No.        )  relating  to
                                                           ------
    $25,000,000 of the Securities  (including a combined  prospectus relating to
    up to  $150,000,000  of the Company's  first mortgage bonds) were filed with
    the Securities and Exchange  Commission (the  "Commission")  and have become
    effective.  Such registration statements,  as each is amended at the time of
    the Terms  Agreement  referred  to in  Section 3 relating  to the  Purchased
    Securities,   are  hereinafter   referred  to  as  the  "First  Registration
    Statement" and the "Second Registration  Statement,"  respectively,  and are
    hereinafter  referred to collectively as the  "Registration  Statements" and
    such prospectus, as supplemented as contemplated by Section 3 to reflect the
    terms of the Purchased  Securities and terms of offering thereof,  including
    all material  incorporated by reference therein, is hereinafter  referred to
    as the "Prospectus."

         (b)  Each  part  of  the  Registration   Statements   relating  to  the
    Securities,  when such part became  effective,  conformed in all respects to
    the  requirements  of the  Securities  Act of 1933  (the  "Act"),  the Trust
    Indenture  Act of  1939  (the  "Trust  Indenture  Act")  and the  rules  and
    regulations  (the "Rules and  Regulations")  of the  Commission  and did not
    include  any  untrue  statement  of a  material  fact or omit to  state  any
    material  fact  required  to be  stated  therein  or  necessary  to make the
    statements  therein  not  misleading,  and on the  date of  each  Prospectus
    Supplement  referred to in Section 3, the  Registration  Statements  and the
    Prospectus will conform in all respects to the  requirements of the Act, the
    Trust Indenture Act and the Rules and Regulations,  and at such date none of
    such documents will include any untrue  statement of a material fact or omit
    to state any  material  fact  required to be stated  therein or necessary to
    make the statements  therein not  misleading;  provided,  however,  that the
    foregoing  does not apply to (a)  statements  in or omissions  from any such
    documents  based upon  written  information  furnished to the Company by any
    Underwriter   specifically   for  use  therein  or  (b)  that  part  of  the
    Registration  Statements  that consists of the Statement of Eligibility  and
    Qualification   (Form  T-1)  under  the  Trust  Indenture  Act  of  1939  of
                      , as Trustee under the Indenture.
    ------------------

         (c) An order of the  Arizona  Corporation  Commission  shall  have been
    granted authorizing the execution and delivery of the Supplemental Indenture
    relating  to the  Purchased  Securities  and the  issuance  and  sale of the
    Purchased  Securities  on  the  terms  and  conditions  herein  and  in  the
    Prospectus and the Terms Agreement  referred to in Section 3 relating to the
    Purchased Securities, and the approval or consent of no other public body or
    authority is necessary to the  execution  and delivery of such  Supplemental
    Indenture  or the  validity  of  the  issuance  and  sale  of the  Purchased
    Securities,  except as may be required  under state  securities  or blue sky
    laws.

         (d)  The  Company  holds  such  valid   franchises,   certificates   of
    convenience  and  necessity,  licenses,  and permits as are  necessary  with
    respect to the maintenance and operation of its property and business as now
    conducted,  except  that  (A) the  Company  from  time to time  makes  minor
    extensions of its system prior to the time a related franchise, certificate,
    license,  or permit is procured,  (B) from time to time communities  already
    being served by the Company become  incorporated and  considerable  time may
    elapse  before a franchise  is  procured,  (C) certain  franchises  may have
    expired  prior to the  renegotiation  thereof,  (D) the Company may not have
    obtained  certain  permits  or  variances   relating  to  the  environmental
    requirements  described  in any of its  Form  10-K  Report,  its  Form  10-Q
    Reports,  and/or  its Form 8-K  Reports  incorporated  by  reference  in the
    Registration Statements,  (E) certain minor defects and exceptions may exist
    which,  individually and in the aggregate,  are not deemed material, and (F)
    the Company  does not make any  representation  regarding  the  geographical
    scope of any franchise, certificate, license, or permit that is not specific
    as to its geographical scope.

         3.  Purchase  and  Offering.  The  obligation  of the  Underwriters  to
             -----------------------
purchase,  and the obligation of the Company to sell,  the Purchased  Securities
will be  evidenced  by an exchange of facsimile  transmission  or other  written
communications  (the "Terms  Agreement")  at the time the Company  determines to
sell  the  Purchased   Securities.   The  Terms   Agreement  shall  specify  (by
Incorporation  by  reference  or  otherwise)  the party or parties  that will be
Underwriters,  the principal  amount to be purchased by each, the purchase price
to be paid by the  Underwriters,  any  compensation or commissions to be paid to
Underwriters,  the offering price, and the terms of the Purchased Securities not
already  specified in the  Indenture,  including,  but not limited to,  interest
rates, maturity,  redemption provisions, and sinking fund requirements,  if any.
The Terms  Agreement  shall also  specify  (by  incorporation  by  reference  or
otherwise) the time and date of delivery and payment (the "Closing  Date"),  the
place of delivery  and  payment,  and any details of the terms of offering  that
should be reflected in the prospectus supplement relating to the offering of the
Purchased  Securities (the "Prospectus  Supplement").  It is understood that the
Underwriters  will offer the Purchased  Securities  for sale as set forth in the
Prospectus.  The  obligations  of the  Underwriters  to purchase  the  Purchased
Securities shall be several and not joint.  Except as may otherwise be set forth
in the Terms Agreement,  the Purchased Securities will be in definitive form and
in such  denominations  and  registered  in such names as the  Underwriters  may
request.

         4.  Covenants  of the  Company.  In  connection  with each  offering of
             --------------------------
Purchased  Securities,  the  Company  covenants  and  agrees  with  the  several
Underwriters that:

         (a) The Company  will advise the  Underwriters  or the  Representatives
    promptly  of  any  proposed   amendment  or  supplementation  of  the  First
    Registration Statement, the Second Registration Statement, or the Prospectus
    and will not effect such amendment or supplementation without the consent of
    the  Underwriters or the  Representatives.  The Company will also advise the
    Underwriters or the  Representatives of the institution by the Commission of
    any stop order proceedings in respect of the First  Registration  Statement,
    the Second Registration  Statement, or of any part thereof, and will use its
    best efforts to prevent the issuance of any such stop order and to obtain as
    soon as possible its lifting, if issued.

         (b)  If,  at any  time  when a  prospectus  relating  to the  Purchased
    Securities is required to be delivered  under the Act, any event occurs as a
    result of which the Prospectus as then amended or supplemented would include
    an untrue  statement of a material  fact, or omit to state any material fact
    necessary to make the statements  therein, in the light of the circumstances
    under which they were made,  not  misleading,  or if it is  necessary at any
    time to amend or supplement  the First  Registration  Statement,  the Second
    Registration  Statement,  or the  Prospectus  to  comply  with the Act,  the
    Company  promptly will prepare and file with the  Commission an amendment or
    supplement that will correct such statement or omission or an amendment that
    will effect such compliance.

         (c) As soon as  practicable,  but not later than 18  months,  after the
    date of the  Terms  Agreement  relating  to the  Purchased  Securities,  the
    Company will make  generally  available  to its security  holders an earning
    statement or statements  (which need not be audited) covering a period of at
    least  12  months   beginning   after  the  effective  date  of  the  Second
    Registration Statement (as defined in Rule 158(c) under the Act), which will
    satisfy  the  provisions  of  Section  11(a)  of the Act and the  rules  and
    regulations thereunder.

         (d) The Company will furnish to the Underwriters or the Representatives
    such copies of the Registration Statements (including one copy of the Second
    Registration  Statement for each Representative,  or for each Underwriter if
    there are no  Representatives,  and for the  counsel  for the  Underwriters,
    which  is  signed  and  includes  all  exhibits),  any  related  preliminary
    prospectus  supplements  and the  Prospectus,  including  all  amendments or
    supplements to such documents, as may be reasonably requested.

         (e) The Company  will  arrange or  cooperate  in  arrangements  for the
    qualification of the Purchased  Securities for sale and the determination of
    their eligibility for investment under the laws of such jurisdictions as the
    Underwriters  or  the  Representatives  designate  and  will  continue  such
    qualifications  in effect so long as required  for the  distribution  of the
    Purchased  Securities,  provided  that the Company  shall not be required to
    qualify  as a foreign  corporation  in any  State,  to consent to service of
    process in any State  other than with  respect to claims  arising out of the
    offering or sale of the Purchased Securities,  or to meet other requirements
    deemed by it to be unduly burdensome.

         (f)  During  the  period  of five  years  after  the date of the  Terms
    Agreement relating to the Purchased Securities,  the Company will furnish to
    the Underwriters or the Representatives  thereunder, and, upon request, each
    of the other Underwriters,  (i) as soon as practicable after the end of each
    fiscal year, a balance sheet and statements of income and retained  earnings
    of the Company as at the end of and for such year, all in reasonable  detail
    and certified by  independent  public  accountants,  and (ii) (A) as soon as
    practicable  after the end of each  quarterly  fiscal period (except for the
    last  quarterly  fiscal  period of each fiscal  year),  a balance  sheet and
    statement of income of the Company as at the end of and for such period, all
    in reasonable  detail and  certified by a principal  financial or accounting
    officer of the Company,  (B) as soon as available,  a copy of each report of
    the  Company  mailed  by the  Company  to  stockholders  or  filed  with the
    Commission, and (C) from time to time, such other information concerning the
    Company as may  reasonably be  requested.  So long as the Company has active
    subsidiaries,  such financial  statements will be on a consolidated basis to
    the  extent  the   accounts  of  the  Company  and  its   subsidiaries   are
    consolidated.

         (g) The Company will pay all expenses  incident to the  performance  of
    its obligations  under this Agreement,  and will reimburse the  Underwriters
    for any reasonable expenses (including  reasonable fees and disbursements of
    counsel)  incurred  by them in  connection  with  the  qualification  of the
    Purchased  Securities with respect to which the Terms Agreement  relating to
    the Purchased Securities has been entered for sale, and the determination of
    their  eligibility for investment,  under the laws of such  jurisdictions as
    the Representatives  or, if there are no  Representatives,  the Underwriters
    designate,  and the printing of memoranda relating thereto, and for any fees
    charged  by  investment  rating  agencies  for the  rating of the  Purchased
    Securities.

         (h) The Company will not offer or sell any other of its  Securities for
    a period beginning at the time of execution of the Terms Agreement  relating
    to the Purchased  Securities and ending on the Closing Date relating thereto
    without prior consent of the Underwriter or the Representatives.

         5. Conditions of the Obligations of the  Underwriters.  The obligations
            --------------------------------------------------
of the  Underwriters  to purchase and pay for the Purchased  Securities  will be
subject to the accuracy of the representations and warranties on the part of the
Company  herein,  to the accuracy of the  statements  of Company  officers  made
pursuant to the  provisions  hereof,  to the  performance  by the Company of its
obligations hereunder, and to the following additional conditions precedent:

         (a) The  Underwriters  or the  Representatives  shall  have  received a
    letter from  DELOITTE & TOUCHE LLP,  dated the date of the Terms  Agreement,
    confirming that they are independent certified public accountants within the
    meaning  of the Act and  the  applicable  published  Rules  and  Regulations
    thereunder,  and stating in effect that (i) in their  opinion the  financial
    statements and schedules of the Company audited by them and  incorporated by
    reference in the Registration  Statements  comply as to form in all material
    respects  with the  applicable  accounting  requirements  of the  Securities
    Exchange  Act  of  1934  (the  "1934  Act")  and  the  published  Rules  and
    Regulations  thereunder  and (ii) on the  basis of a reading  of the  latest
    available  interim  financial  statements  of  the  Company,   inquiries  of
    officials of the Company  responsible for financial and accounting  matters,
    and other specified procedures,  nothing came to their attention that caused
    them to believe that (A) the unaudited financial statements  incorporated by
    reference,  if any, in the Registration  Statements do not comply as to form
    in all material respects with the applicable accounting  requirements of the
    1934 Act and the  published  Rules  and  Regulations  thereunder  or are not
    stated  on a  basis  substantially  consistent  with  that  of  the  audited
    financial   statements   incorporated  by  reference  in  the   Registration
    Statements, (B) at the date of the most recent available unaudited financial
    statements and at a specified date not more than five days prior to the date
    of this  Agreement,  there was any increase in the amounts of common  stock,
    redeemable preferred stock, or non-redeemable preferred stock of the Company
    or any increase, exceeding $10,000,000, in long-term debt of the Company or,
    at the date of the most  recent  available  unaudited  financial  statements
    there was any decrease in net assets as compared  with amounts  shown in the
    most  recent   financial   statements   incorporated  by  reference  in  the
    Registration  Statements,  or (C) for the  twelve-month  period ended at the
    date of the most recent available unaudited financial  statements there were
    any decreases,  exceeding 3%, as compared with the twelve-month period ended
    at  the  date  of the  most  recent  financial  statements  incorporated  by
    reference in the Registration  Statements,  in the amounts of total revenues
    or net income,  except in all cases for increases or decreases  which result
    from the  declaration  or payment of  dividends,  or which the  Registration
    Statements  (including  any  material  incorporated  by  reference  therein)
    disclose have occurred or may occur, or which are described in such letter.

         (b)  No  stop  order   suspending  the   effectiveness   of  the  First
    Registration  Statement,  the  Second  Registration  Statement,  or any part
    thereof  shall have been issued and no  proceedings  for that purpose  shall
    have  been   instituted   or,  to  the  knowledge  of  the  Company  or  the
    Underwriters, shall be contemplated by the Commission.

         (c) Subsequent to the execution of the Terms Agreement  relating to the
    Purchased  Securities,  (i) there shall not have occurred any change, or any
    development involving a prospective change, in or affecting particularly the
    business or  properties  of the Company or its  subsidiaries  which,  in the
    judgment  of a majority in  interest  of the  Underwriters  under such Terms
    Agreement, including any Representatives,  materially impairs the investment
    quality of the  Purchased  Securities,  (ii) there shall not have occurred a
    suspension or material limitation in trading in securities  generally on the
    New York  Stock  Exchange,  (iii)  there  shall not have  occurred a general
    moratorium on commercial  banking  activities in New York declared by either
    Federal  or  New  York  State  authorities,  (iv)  no  rating  of any of the
    Company's debt securities  shall have been lowered and there shall have been
    no public  announcement  that any such debt  securities  have been placed on
    CreditWatch, Watchlist, or under any similar surveillance or review, in each
    case with negative  implications,  by any recognized rating agency,  and (v)
    there  shall  not  have   occurred  any  outbreak  or  escalation  of  major
    hostilities in which the United States is involved,  any  declaration of war
    by Congress or any other substantial  national or international  calamity or
    emergency if, in the judgment of a majority in interest of the  Underwriters
    under such Terms Agreement, including any Representatives, the effect of any
    such  outbreak,  escalation,  declaration,  calamity or  emergency  makes it
    impractical  or  inadvisable  to proceed with  completion of the sale of and
    payment for the Purchased Securities.

         (d) The  Underwriters  or the  Representatives  shall have  received an
    opinion  of  Snell & Wilmer  L.L.P.,  counsel  for the  Company,  dated  the
    relevant Closing Date, to the effect that:

              (i) The Company is a corporation duly organized, validly existing,
         and in good  standing  under the laws of the State of  Arizona  and has
         full  corporate  power  and  authority  to  carry  on its  business  as
         presently  conducted;  and the Company is duly  qualified  as a foreign
         corporation  to do business and is in good standing in the State of New
         Mexico,  the  only  other  jurisdiction  in  which  it owns  or  leases
         substantial properties or in which the conduct of its business requires
         such qualification;

              (ii) The Purchased Securities have been duly authorized, executed,
         authenticated,  issued,  and  delivered,  constitute  valid and legally
         binding obligations of the Company entitled to the benefits provided by
         the  Indenture  (except  as the  same  may be  limited  by (a)  general
         principles  of equity  or by  bankruptcy,  insolvency,  reorganization,
         arrangement, moratorium, or other laws or equitable principles relating
         to or affecting the enforcement of creditors'  rights generally and (b)
         the qualification that certain waivers, procedures, remedies, and other
         provisions  of  the  Purchased  Securities  and  the  Indenture  may be
         unenforceable  under or  limited  by the law of the  State of  Arizona;
         however,  such  law does not in such  counsel's  opinion  substantially
         prevent the  practical  realization  of the  benefits  intended by such
         documents) and conform to the description thereof in the Prospectus;

              (iii)  The  Indenture  has been  duly  authorized,  executed,  and
         delivered,  has been duly qualified  under the Trust Indenture Act, and
         constitutes a valid and binding  instrument  enforceable  in accordance
         with  its  terms  except  as the  same may be  limited  by (a)  general
         principles  of equity  or by  bankruptcy,  insolvency,  reorganization,
         arrangement, moratorium, or other laws or equitable principles relating
         to or affecting the enforcement of creditors'  rights generally and (b)
         the qualification that certain waivers, procedures, remedies, and other
         provisions  of  the  Purchased  Securities  and  the  Indenture  may be
         unenforceable  under or  limited  by the law of the  State of  Arizona;
         however,  such  law does not in such  counsel's  opinion  substantially
         prevent the  practical  realization  of the  benefits  intended by such
         documents;

              (iv) With certain  exceptions,  a public  service  corporation  is
         required to obtain  certificates  of convenience and necessity from the
         Arizona  Corporation  Commission  under  A.R.S.  Section  40-281.A  for
         construction  of  its  lines,  plant,  services,  or  systems,  or  any
         extensions  thereof,  within  the  State  of  Arizona,  and  to  obtain
         franchises   or  similar   consents  or  permits   from   counties  and
         incorporated  municipalities  under  A.R.S.  Section  40-283.A  for the
         construction,  operation,  and maintenance of transmission lines within
         the State of Arizona; to the best of such counsel's knowledge after due
         inquiry,  the  Company  holds such valid  franchises,  certificates  of
         convenience  and  necessity,  consents,  and  permits  pursuant to such
         statutory  provisions as are necessary with respect to the  maintenance
         and  operation of its property  and business as now  conducted,  except
         that (A) the Company  from time to time makes minor  extensions  of its
         system prior to the time a related franchise,  certificate, license, or
         permit is procured,  (B) from time to time  communities  already  being
         served by the Company become  incorporated  and  considerable  time may
         elapse before a franchise is procured,  (C) certain franchises may have
         expired prior to the renegotiation  thereof,  (D) certain minor defects
         and exceptions may exist which,  individually and in the aggregate, are
         not deemed  material,  and (E) such  counsel  need not be  required  to
         express any opinion regarding the geographical  scope of any franchise,
         certificate,  license,  or  permit  that  is  not  specific  as to  its
         geographical scope;

              (v) The issuance and sale of the Purchased Securities on the terms
         and conditions set forth or  contemplated  herein and in the Prospectus
         and the Terms  Agreement  relating to the Purchased  Securities and the
         execution and delivery of the  Supplemental  Indenture  relating to the
         Purchased   Securities   have  been  duly  authorized  by  the  Arizona
         Corporation  Commission,   said  Commission  had  jurisdiction  in  the
         premises,  and no further  approval,  authorization,  or consent of any
         other  public  board  or  body is  necessary  to the  validity  of such
         issuance and sale of such  Purchased  Securities  or the  execution and
         delivery  of such  Supplemental  Indenture,  except as may be  required
         under state  securities or blue sky laws, as to which laws such counsel
         shall not be required to express an opinion;

              (vi) The First Registration  Statement and the Second Registration
         Statement have become  effective under the Act, and, to the best of the
         knowledge of such counsel,  no stop order suspending the  effectiveness
         of  the  First  Registration   Statement  or  the  Second  Registration
         Statement has been issued and no proceedings for that purpose have been
         instituted or are pending or contemplated  under the Act, and each part
         of the Registration  Statements  relating to the Securities,  when such
         part  became  effective,  and  the  Prospectus,  as of the  date of the
         Prospectus Supplement,  and each amendment or supplement thereto, as of
         their respective  effective or issue dates,  complied as to form in all
         material respects with the requirements of the Act, the Trust Indenture
         Act,  and the  published  Rules and  Regulations;  such  counsel has no
         reason to believe that any part of the  Registration  Statements,  when
         such part became  effective,  or the Prospectus,  as of the date of the
         Prospectus  Supplement,  or as of the Closing Date, or any amendment or
         supplement thereto, as of their respective effective or issue dates, or
         as of the Closing Date,  contained  any untrue  statement of a material
         fact or  omitted  to state  any  material  fact  required  to be stated
         therein or necessary to make the statements therein not misleading; the
         descriptions in the Registration Statements and Prospectus of statutes,
         legal and governmental  proceedings and contracts,  and other documents
         are accurate and fairly present the  information  required to be shown;
         and to the  actual  knowledge  of those  persons  in the  lawyer  group
         described  in  such  opinion,   there  are  no  legal  or  governmental
         proceedings  required to be  described in the  Prospectus  that are not
         described  as required,  nor any  contracts or documents of a character
         required to be described in the  Registration  Statements or Prospectus
         or to be filed as exhibits to the Registration  Statements that are not
         described and filed as required (it being  understood that such counsel
         need  express  no  opinion  as to the  financial  statements  or  other
         financial  data  contained  in  the  Registration   Statements  or  the
         Prospectus); and

              (vii)  This  Agreement  and the  Terms  Agreement  have  been duly
         authorized, executed, and delivered by the Company.

         In giving such opinion,  (a) Snell & Wilmer L.L.P. may rely solely upon
    certificates  of the Company as to any factual  matters  upon which any such
    opinions are based and may rely upon the opinion of Keleher & McLeod,  P.A.,
    referred to below,  as to all  matters  governed by the laws of the State of
    New  Mexico,  but the  opinion of Snell & Wilmer  L.L.P.  shall  state that,
    though they are members of the Arizona Bar and do not hold themselves out as
    experts  on the laws of the State of New  Mexico,  they have made a study of
    the laws of such State insofar as such laws are involved in the  conclusions
    stated in their  opinion,  and from such study it is their opinion that such
    laws support such  conclusions and that, in their opinion,  the Underwriters
    and they are justified to such extent in relying upon the opinion of Keleher
    & McLeod,  P.A.;  and (b) the lawyer group  referred to in such opinion will
    mean those  lawyers in the  offices  of Snell & Wilmer  L.L.P.  who (i) have
    billed any time on the particular  transaction to which such opinion relates
    or (ii)  have  billed  more  than ten  hours to any  Company  matter  in the
    twelve-month period preceding the date on which the list of such lawyers was
    compiled for purposes of inquiry pursuant to such opinion.

         (e) The  Underwriters  or the  Representatives  shall have  received an
    opinion of Keleher & McLeod, P.A., New Mexico counsel for the Company, dated
    the Closing Date, to the effect that:

              (i) The Company is duly  qualified as a foreign  corporation to do
         business  and is in good  standing  in the State of New  Mexico and has
         full corporate power and authority to engage in the State of New Mexico
         in the business now conducted by it therein; and

              (ii) The  activities  of the Company in the State of New Mexico to
         date do not constitute it a "public utility" as that term is defined in
         the  relevant  laws of the State of New  Mexico,  and  accordingly,  no
         public utility  franchises or certificates of convenience and necessity
         are necessary  under New Mexico law with respect to the maintenance and
         operation of the  Company's  property and business as now  conducted in
         the State of New Mexico and no approval,  authorization,  or consent of
         the New Mexico Public  Utility  Commission or any other public board or
         body of the State of New Mexico is required  for the  issuance and sale
         of the Purchased  Securities on the terms and conditions  herein and in
         the  Prospectus set forth or  contemplated  or for the execution of the
         Supplemental Indenture relating to the Purchased Securities,  except as
         may be required under New Mexico state  securities or blue sky laws, as
         to which laws such counsel shall not be required to express an opinion.

    In giving  such  opinion,  Keleher  &  McLeod,  P.A.  may rely  solely  upon
    certificates  of the Company as to any factual  matters  upon which any such
    opinions are based.

              (f) The  Underwriters or the  Representatives  shall have received
         from counsel for the Underwriters  such opinion or opinions,  dated the
         Closing Date,  with respect to the  incorporation  of the Company,  the
         validity of the Purchased Securities,  the Registration Statements, the
         Prospectus,  and other related  matters as may  reasonably be required,
         and the Company shall have  furnished to such counsel such documents as
         they  request  for the  purpose  of  enabling  them to pass  upon  such
         matters.  In rendering  such  opinion,  such counsel may rely as to the
         incorporation of the Company and all other matters governed by the laws
         of the States of Arizona  and New Mexico  upon the  opinions of Snell &
         Wilmer L.L.P. and Keleher & McLeod, P.A., referred to above.

              (g) The Underwriters or the Representatives  shall have received a
         certificate  of the  President  or any Vice  President  and a principal
         financial or accounting officer of the Company, dated the Closing Date,
         in which such officers, to the best of their knowledge after reasonable
         investigation,  shall state that the  representations and warranties of
         the Company in this  Agreement  are true and correct,  that the Company
         has complied with all  agreements  and satisfied all  conditions on its
         part to be performed or satisfied at or prior to the Closing Date, that
         no stop order suspending the  effectiveness  of the First  Registration
         Statement or the Second  Registration  Statement has been issued and no
         proceedings for that purpose have been  instituted or are  contemplated
         by the Commission,  and that, subsequent to the date of the most recent
         financial  statements  in the  Prospectus,  there has been no  material
         adverse  change in the  financial  position or results of operations of
         the Company and its subsidiaries except as set forth or contemplated in
         the Prospectus or as described in such certificate.

              (h) The Underwriters or the Representatives  shall have received a
         letter of DELOITTE & TOUCHE LLP,  dated the Closing  Date,  which meets
         the  requirements  of subsection  (a) of this Section,  except that the
         specified date referred to in such  subsection  will be a date not more
         than five  days  prior to the  Closing  Date for the  purposes  of this
         subsection.

              The Company will furnish the  Underwriters or the  Representatives
with  such  conformed  copies  of  such  opinions,  certificates,  letters,  and
documents as may be reasonably requested.


              6. Indemnification.
                 ---------------

              (a) The Company will indemnify and hold harmless each  Underwriter
         and each  person,  if any,  who controls  such  Underwriter  within the
         meaning of the Act against any losses,  claims, damages or liabilities,
         joint or several,  to which such Underwriter or such controlling person
         may become subject, under the Act or otherwise, insofar as such losses,
         claims,  damages,  or liabilities (or actions in respect thereof) arise
         out of or are  based  upon  any  untrue  statement  or  alleged  untrue
         statement  of  any  material   fact   contained  in  any  part  of  the
         Registration  Statements  relating  to the  Securities,  when such part
         became effective,  any preliminary prospectus or preliminary prospectus
         supplement,  the Prospectus, or any amendment or supplement thereto, or
         arise out of or are based  upon the  omission  or alleged  omission  to
         state  therein  a  material  fact  required  to be  stated  therein  or
         necessary  to make the  statements  therein  not  misleading;  and will
         reimburse each  Underwriter  and each such  controlling  person for any
         legal or other expenses reasonably incurred by such Underwriter or such
         controlling  person in connection with  investigating  or defending any
         such loss, claim, damage, liability, or action; provided, however, that
         the Company  will not be liable in any such case to the extent that any
         such loss,  claim,  damage, or liability arises out of or is based upon
         an untrue  statement or alleged untrue statement or omission or alleged
         omission  made  in  any of  such  documents  in  reliance  upon  and in
         conformity  with  written  information  furnished to the Company by any
         Underwriter specifically for use therein. This indemnity agreement will
         be in addition to any liability which the Company may otherwise have.

              (b) Each  Underwriter  will severally  indemnify and hold harmless
         the  Company,  each of its  directors,  each of its  officers  who have
         signed  the  Registration  Statements,  and each  person,  if any,  who
         controls the Company within the meaning of the Act, against any losses,
         claims,  damages,  or  liabilities  to which  the  Company  or any such
         director,  officer, or controlling person may become subject, under the
         Act  or  otherwise,   insofar  as  such  losses,  claims,  damages,  or
         liabilities  (or actions in respect  thereof) arise out of or are based
         upon any untrue  statement or alleged untrue  statement of any material
         fact contained in any part of the Registration  Statements  relating to
         the  Securities,  when  such part  became  effective,  any  preliminary
         prospectus or preliminary prospectus supplement, the Prospectus, or any
         amendment or supplement  thereto, or arise out of or are based upon the
         omission  or the  alleged  omission  to state  therein a material  fact
         required  to be stated  therein  or  necessary  to make the  statements
         therein not  misleading,  in each case to the  extent,  but only to the
         extent,  that such untrue  statement  or alleged  untrue  statement  or
         omission  or  alleged  omission  was  made  in  reliance  upon  and  in
         conformity  with written  information  furnished to the Company by such
         Underwriter  specifically for use therein; and will reimburse any legal
         or  other  expenses  reasonably  incurred  by the  Company  or any such
         director,   officer,   or   controlling   person  in  connection   with
         investigating or defending any such loss, claim, damage,  liability, or
         action.  This indemnity  agreement will be in addition to any liability
         which such Underwriter may otherwise have.

              (c)  Promptly  after  receipt by an  indemnified  party under this
         Section of notice of the  commencement of any action,  such indemnified
         party  will,  if a claim in respect  thereof is to be made  against the
         indemnifying party under this Section, notify the indemnifying party of
         the   commencement   thereof;   but  the  omission  so  to  notify  the
         indemnifying  party will not relieve it from any liability  that it may
         have to any  indemnified  party  otherwise than under this Section.  In
         case any such action is brought against any indemnified  party,  and it
         notifies  the  indemnifying  party  of the  commencement  thereof,  the
         indemnifying party will be entitled to participate  therein and, to the
         extent  that it may wish,  jointly  with any other  indemnifying  party
         similarly  notified,  to  assume  the  defense  thereof,  with  counsel
         satisfactory  to such  indemnified  party (who shall not,  without  the
         consent  of the  indemnified  party,  be  counsel  to the  indemnifying
         party),   and  after  notice  from  the  indemnifying   party  to  such
         indemnified party of its election so to assume the defense thereof, the
         indemnifying  party will not be liable to such indemnified  party under
         this Section for any legal or other expenses  subsequently  incurred by
         such  indemnified  party in connection  with the defense  thereof other
         than reasonable costs of investigation.

              (d)  If  the  indemnification  provided  for in  this  Section  is
         unavailable or insufficient  to hold harmless an indemnified  party for
         any loss, claim, damage,  liability,  or action described in subsection
         (a) or (b) above, then each indemnifying  party shall contribute to the
         amount  paid or  payable by such  indemnified  party as a result of the
         losses, claims, damages or liabilities referred to in subsection (a) or
         (b) above on the  following  basis:  (1) if such loss,  claim,  damage,
         liability,  or action arises under  subsection  (a) above,  then (i) in
         such  proportion  as is  appropriate  to reflect the relative  benefits
         received  by the  Company on the one hand and the  Underwriters  on the
         other from the  offering of the  Securities  or (ii) if the  allocation
         provided by clause (i) above is not  permitted  by  applicable  law, in
         such  proportion  as is  appropriate  to reflect not only the  relative
         benefits referred to in clause (i) above but also the relative fault of
         the  Company  on the one  hand  and the  Underwriters  on the  other in
         connection  with the  statements  or omissions  which  resulted in such
         losses,  claims,  damages or  liabilities as well as any other relevant
         equitable  considerations;   and  (2)  if  such  loss,  claim,  damage,
         liability,  or action arises under  subsection (b) above,  then in such
         proportion  as is  appropriate  to reflect  the  relative  fault of the
         Company on the one hand and the  Underwriter on the other in connection
         with the statements or omissions which resulted in such losses, claims,
         damages  or  liabilities  as  well  as  any  other  relevant  equitable
         considerations.  For the  purposes  of clause (1) above,  the  relative
         benefits  received by the Company on the one hand and the  Underwriters
         on the other shall be deemed to be in the same  proportion as the total
         net proceeds from the offering (before deducting  expenses) received by
         the Company bear to the total  underwriting  discounts and  commissions
         received by the  Underwriters.  For the purposes of clauses (1) and (2)
         above,  the relative  fault shall be  determined by reference to, among
         other  things,  whether  the untrue or alleged  untrue  statement  of a
         material  fact or the omission or alleged  omission to state a material
         fact relates to information supplied by the Company or the Underwriters
         and the parties' relative intent, knowledge,  access to information and
         opportunity  to correct or prevent  such untrue  statement or omission.
         The  amount  paid by an  indemnified  party as a result of the  losses,
         claims,  damages or  liabilities  referred to in the first  sentence of
         this  subsection  (d)  shall be deemed  to  include  any legal or other
         expenses  reasonably  incurred by such indemnified  party in connection
         with  investigating  or  defending  any  action  or claim  which is the
         subject  of  this  subsection  (d).  No  person  guilty  of  fraudulent
         misrepresentation  (within  the  meaning of  Section  11(f) of the Act)
         shall be entitled to contribution from any person who was not guilty of
         such fraudulent  misrepresentation.  The  Underwriters'  obligations in
         this  subsection  (d) to contribute  are several in proportion to their
         respective underwriting obligations and not joint.

         7. Default of Underwriters.  If any Underwriter or Underwriters default
            -----------------------
in their obligations to purchase Purchased Securities pursuant to this Agreement
and the Terms  Agreement and the principal  amount of Purchased  Securities that
such defaulting Underwriter or Underwriters agreed but failed to purchase is ten
percent (10%) or less of the principal  amount of Purchased  Securities to which
such Terms Agreement relates,  the Underwriters or the  Representatives may make
arrangements  satisfactory  to the  Company for the  purchase of such  Purchased
Securities by other persons,  including any of the Underwriters,  but if no such
arrangements are made by the Closing Date the nondefaulting  Underwriters  shall
be obligated severally,  in proportion to their respective commitments hereunder
and under such Terms Agreement,  to purchase the Purchased  Securities that such
defaulting  Underwriter or  Underwriters  agreed but failed to purchase.  If any
Underwriter or  Underwriters  so default and the aggregate  principal  amount of
Purchased  Securities  with respect to which such  default or defaults  occur is
more  than the  above-described  amount  and  arrangements  satisfactory  to the
remaining  Underwriters  and the  Company  for the  purchase  of such  Purchased
Securities  by other  persons  are not made within  thirty-six  hours after such
default, the Terms Agreement will terminate without liability on the part of any
non-defaulting  Underwriter or the Company,  except as provided in Section 8. As
used in this Agreement,  the term "Underwriter"  includes any person substituted
for an Underwriter under this Section.  Nothing herein will relieve a defaulting
Underwriter from liability for its default.

         8. Survival of Certain Representations and Obligations.  The respective
            ---------------------------------------------------
indemnities,  agreements,  representations,  warranties, and other statements of
the  Company  or its  officers  and of the  Underwriters  set  forth  in or made
pursuant to this  Agreement  will remain in full force and effect  regardless of
any investigation,  or statement as to the results thereof, made by or on behalf
of the  Underwriters  or the Company or any of its  officers or directors or any
controlling  person,  and will survive delivery of and payment for the Purchased
Securities.  If any Terms  Agreement is terminated  pursuant to Section 7, or if
for any reason a purchase  pursuant to any Terms  Agreement is not  consummated,
the Company shall remain  responsible  for the expenses to be paid or reimbursed
by it pursuant to Section 4 and the  respective  obligations  of the Company and
the Underwriters pursuant to Section 6 shall remain in effect.

         9. Notices.  All  communications  hereunder relating to any offering of
            -------
Purchased Securities will be in writing,  and, if sent to the Underwriters,  may
be mailed,  delivered,  or telecopied and confirmed to the Representative  first
named in the  Terms  Agreement  relating  to such  Purchased  Securities  or the
Underwriters  at their  addresses  furnished  to the  Company in writing for the
purpose of communications;  provided, however, that any notice to an Underwriter
pursuant to Section 6 will be mailed,  delivered, or telecopied and confirmed to
each such Underwriter at its own address.  All  communications  hereunder to the
Company shall be mailed to the Company, Attention: Treasurer, at P.O. Box 53999,
Phoenix,  Arizona 85O72-3999,  or delivered,  or telecopied and confirmed to the
Company at 400 North Fifth Street, Phoenix, Arizona 85004.

         10.  Successors.  This  Agreement  will inure to the  benefit of and be
              ----------
binding upon the parties hereto and the Underwriter or Underwriters as are named
in any Terms  Agreement  and their  respective  successors  and the officers and
directors and controlling  persons referred to in Section 6, and no other person
will have any right or obligation hereunder.

         11.  Representation of Underwriters.  The Representatives,  if any, may
              ------------------------------
act for the  Underwriters  in  connection  with  any  offering  to which a Terms
Agreement  may  relate,  and any  action  under  this  Agreement  or such  Terms
Agreement taken by the Representatives jointly or the Representative first named
in such Terms  Agreement in such capacity will be binding upon the  Underwriters
of Purchased Securities to which such Terms Agreement relates.

         12.  Execution in  Counterpart.  This Agreement and any Terms Agreement
              -------------------------
may be executed in one or more counterparts, each of which shall be deemed to be
an original,  but all such respective  counterparts shall together  constitute a
single instrument.


                  If the foregoing is in accordance with your  understanding  of
our  agreement,  kindly  sign and return to us the  enclosed  duplicate  hereof,
whereupon  it will  become a  binding  agreement  between  the  Company  and the
Underwriters in accordance with its terms.


                                                  Very truly yours,

                                                  ARIZONA PUBLIC SERVICE COMPANY



                                                  By
                                                     ---------------------------
                                                     Treasurer



The foregoing Underwriting Agreement is
hereby confirmed and accepted as of the
date first above written



By
   -----------------------------------






                                  Exhibit 4.3


                         ARIZONA PUBLIC SERVICE COMPANY

                                       TO

                                 CHEMICAL BANK

                                    Trustee



                                 --------------


                                   Indenture

                           Dated as of _____________


                                 --------------


                            (For Senior Securities)

         ..............................................................
          Certain Sections of this Indenture relating to Sections 310
          through 318, inclusive, of the Trust Indenture Act of 1939:
                                    

Trust Indenture
  Act Section                                                  Indenture Section

ss.310(a)(1)     ............................................. 609
     (a) (2)    .............................................. 609
     (a) (3)    .............................................. Not Applicable
     (a) (4)    .............................................. Not Applicable
     (b)        .............................................. 608
                                                               610
ss.311(a)        ............................................. 613
     (b)        .............................................. 613
ss.312(a)        ............................................. 701
                                                               702
     (b)        .............................................. 702
     (c)        .............................................. 702
ss.313(a)        ............................................. 703
     (b)        .............................................. 703
     (c)        .............................................. 703
     (d)        .............................................. 703
ss.314(a)        ............................................. 704
     (a) (4)    .............................................. 101
                                                               1004
     (b)        .............................................. Not Applicable
     (c) (1)    .............................................. 102
     (c) (2)    .............................................. 102
     (c) (3)    .............................................. Not Applicable
     (d)        .............................................. Not Applicable
     (e)        .............................................. 102
ss.315(a)        ............................................. 601
     (b)        .............................................. 602
     (c)        .............................................. 601
     (d)        .............................................. 601
     (e)        .............................................. 514
ss.316(a)        ............................................. 101
     (a) (1)(A) .............................................. 502
                                                               512
     (a) (1)(B) .............................................. 513
     (a) (2)    .............................................. Not Applicable
     (b)        .............................................. 508
     (c)        .............................................. 104
ss.317(a) (1)    ............................................. 503
     (a) (2)    .............................................. 504
     (b)        .............................................. 1003
ss.318(a)        ............................................. 107

- -------------------
NOTE: This  reconciliation and tie shall not, for any purpose, be deemed to be a
part of the Indenture.

This is the MASTER  Table of  Contents.  You may  generate the table of contents
which will appear at the very,  very end of this document,  then change the page
numbers and headings here accordingly.

                               TABLE OF CONTENTS
                                   ----------

                                                                           PAGE
                                                                           ----

PARTIES                                                                      1
RECITALS OF THE COMPANY                                                      1


                                  ARTICLE ONE

            DEFINITIONS AND OTHER PROVISIONS OF GENERAL APPLICATION

SECTION 101.       Definitions:
                   Act                                                         2
                   Affiliate; control                                          2
                   Authenticating Agent                                        2
                   Board of Directors                                          2
                   Board Resolution                                            2
                   Business Day                                                2
                   Commission                                                  2
                   Company                                                     2
                   Company Request; Company Order                              3
                   Corporate Trust Office                                      3
                   corporation                                                 3
                   Covenant Defeasance                                         3
                   Defaulted Interest                                          3
                   Defeasance                                                  3
                   Depositary                                                  3
                   Event of Default                                            3
                   Exchange Act                                                3
                   Expiration Date                                             3
                   Global Security                                             3
                   Holder                                                      3
                   Indenture                                                   3
                   interest                                                    4
                   Interest Payment Date                                       4
                   Investment Company Act                                      4
                   Maturity                                                    4
                   Notice of Default                                           4
                   Officers' Certificate                                       4
                   Opinion of Counsel                                          4
                   Original Issue Discount Security                            4
                   Outstanding                                                 4
                   Paying Agent                                                5
                   Person                                                      6
                   Place of Payment                                            6
                   Predecessor Security                                        6
                   Redemption Date                                             6
                   Redemption Price                                            6
                   Regular Record Date                                         6
                   Responsible Officer                                         6
                   Securities                                                  6
                   Securities Act                                              6
                   Security Register; Security Registrar                       6
                   Special Record Date                                         7
                   Stated Maturity                                             7
                   Subsidiary                                                  7
                   Trust Indenture Act                                         7
                   Trustee                                                     7
                   U.S. Government Obligation                                  7
                   Vice President                                              7
SECTION 102.  Compliance Certificates and Opinions                             7
SECTION 103.  Form of Documents Delivered to Trustee                           8
SECTION 104.  Acts of Holders; Record Dates                                    9
SECTION 105.  Notices, Etc., to Trustee and Company                           11
SECTION 106.  Notice to Holders; Waiver                                       11
SECTION 107.  Conflict with Trust Indenture Act                               12
SECTION 108.  Effect of Headings and Table of Contents                        12
SECTION 109.  Successors and Assigns                                          12
SECTION 110.  Separability Clause                                             12
SECTION 111.  Benefits of Indenture                                           12
SECTION 112.  Governing Law                                                   13
SECTION 113.  Legal Holidays                                                  13


                                  ARTICLE TWO

                                 SECURITY FORMS

SECTION 201.  Forms Generally                                                 13
SECTION 202.  Form of Face of Security                                        14
SECTION 203.  Form of Reverse of Security                                     16
SECTION 204.  Form of Legend for Global Securities                            21
SECTION 205.  Form of Trustee's Certificate of Authentication                 21

                                 ARTICLE THREE

                                 THE SECURITIES

SECTION 301.  Amount Unlimited; Issuable in Series                            21
SECTION 302.  Denominations                                                   24
SECTION 303.  Execution, Authentication, Delivery and Dating                  25
SECTION 304.  Temporary Securities                                            26
SECTION 305.  Registration, Registration of Transfer and Exchange             27
SECTION 306.  Mutilated, Destroyed, Lost and Stolen Securities                29
SECTION 307.  Payment of Interest; Interest Rights Preserved                  29
SECTION 308.  Persons Deemed Owners                                           31
SECTION 309.  Cancellation                                                    31
SECTION 310.  Computation of Interest                                         31
SECTION 311.  CUSIP Numbers                                                   31

                                  ARTICLE FOUR

                           SATISFACTION AND DISCHARGE

SECTION 401.  Satisfaction and Discharge of Indenture                         32
SECTION 402.  Application of Trust Money                                      33

                                  ARTICLE FIVE

                                    REMEDIES

SECTION 501.  Events of Default                                               33
SECTION 502.  Acceleration of Maturity; Rescission and Annulment              35
SECTION 503.  Collection of Indebtedness and Suits for
                  Enforcement by Trustee                                      36
SECTION 504.  Trustee May File Proofs of Claim                                37
SECTION 505.  Trustee May Enforce Claims Without Possession
                  of Securities                                               37
SECTION 506.  Application of Money Collected                                  37
SECTION 507.  Limitation on Suits                                             38
SECTION 508.  Unconditional Right of Holders to Receive Principal,
                  Premium and Interest                                        39
SECTION 509.  Restoration of Rights and Remedies                              39
SECTION 510.  Rights and Remedies Cumulative                                  39
SECTION 511.  Delay or Omission Not Waiver                                    39
SECTION 512.  Control by Holders                                              40
SECTION 513.  Waiver of Past Defaults                                         40
SECTION 514.  Undertaking for Costs                                           41
SECTION 515.  Waiver of Usury, Stay or Extension Laws                         41

                                  ARTICLE SIX

                                  THE TRUSTEE

SECTION 601.  Certain Duties and Responsibilities                             41
SECTION 602.  Notice of Defaults                                              42
SECTION 603.  Certain Rights of Trustee                                       42
SECTION 604.  Not Responsible for Recitals or Issuance of Securities          43
SECTION 605.  May Hold Securities                                             43
SECTION 606.  Money Held in Trust                                             43
SECTION 607.  Compensation and Reimbursement                                  44
SECTION 608.  Conflicting Interests                                           44
SECTION 609.  Corporate Trustee Required; Eligibility                         45
SECTION 610.  Resignation and Removal; Appointment of Successor               45
SECTION 611.  Acceptance of Appointment by Successor                          47
SECTION 612.  Merger, Conversion, Consolidation or Succession
                  to Business                                                 48
SECTION 613.  Preferential Collection of Claims Against Company               48
SECTION 614.  Appointment of Authenticating Agent                             49

                                 ARTICLE SEVEN

               HOLDERS' LISTS AND REPORTS BY TRUSTEE AND COMPANY

SECTION 701.  Company to Furnish Trustee Names and Addresses
                  of Holders                                                  51
SECTION 702.  Preservation of Information; Communications
                  to Holders                                                  51
SECTION 703.  Reports by Trustee                                              52
SECTION 704.  Reports by Company                                              52


                                 ARTICLE EIGHT

              CONSOLIDATION, MERGER, CONVEYANCE, TRANSFER OR LEASE

SECTION 801.  Company May Consolidate, Etc., Only on
                  Certain Terms                                               52
SECTION 802.  Successor Substituted                                           53


                                  ARTICLE NINE

                            SUPPLEMENTAL INDENTURES

SECTION 901.  Supplemental Indentures Without Consent of Holders              54
SECTION 902.  Supplemental Indentures With Consent of Holders                 55
SECTION 903.  Execution of Supplemental Indentures                            56
SECTION 904.  Effect of Supplemental Indentures                               56
SECTION 905.  Conformity with Trust Indenture Act                             56
SECTION 906.  Reference in Securities to Supplemental Indentures              57


                                  ARTICLE TEN

                                   COVENANTS

SECTION 1001.  Payment of Principal, Premium and Interest                     57
SECTION 1002.  Maintenance of Office or Agency                                57
SECTION 1003.  Money for Securities Payments to Be Held in Trust              58
SECTION 1004.  Statement by Officers as to Default                            59
SECTION 1005.  Existence                                                      59
SECTION 1006.  Maintenance of Properties                                      60
SECTION 1007.  Payment of Taxes and Other Claims                              60
SECTION 1008.  Waiver of Certain Covenants                                    60
SECTION 1009.  Calculation of Original Issue Discount                         61


                                 ARTICLE ELEVEN

                            REDEMPTION OF SECURITIES

SECTION 1101.  Applicability of Article                                       61
SECTION 1102.  Election to Redeem; Notice to Trustee                          61
SECTION 1103.  Selection by Trustee of Securities to Be Redeemed              62
SECTION 1104.  Notice of Redemption                                           62
SECTION 1105.  Deposit of Redemption Price                                    63
SECTION 1106.  Securities Payable on Redemption Date                          64
SECTION 1107.  Securities Redeemed in Part                                    64


                                 ARTICLE TWELVE

                                 SINKING FUNDS

SECTION 1201.  Applicability of Article                                       64
SECTION 1202.  Satisfaction of Sinking Fund Payments with Securities          65
SECTION 1203.  Redemption of Securities for Sinking Fund                      65

                                ARTICLE THIRTEEN

                       DEFEASANCE AND COVENANT DEFEASANCE

SECTION 1301.  Company's Option to Effect Defeasance or
                  Covenant Defeasance                                         66
SECTION 1302.  Defeasance and Discharge                                       66
SECTION 1303.  Covenant Defeasance                                            67
SECTION 1304.  Conditions to Defeasance or Covenant Defeasance                67
SECTION 1305.  Deposited Money and U.S. Government Obligations
                  to Be Held in Trust; Miscellaneous Provisions               69
SECTION 1306.  Reinstatement                                                  70

TESTIMONIUM                                                                   71
SIGNATURES AND SEALS                                                          71
ACKNOWLEDGEMENTS                                                              72

    INDENTURE,  dated as of _________,  1995,  between  Arizona  Public  Service
Company,  a corporation  duly organized and existing under the laws of the State
of Arizona  (herein called the  "Company"),  having its principal  office at 400
North Fifth  Street,  Phoenix,  Arizona  85004,  and  Chemical  Bank, a New York
banking corporation, as Trustee (herein called the "Trustee").


                            RECITALS OF THE COMPANY

    The Company has duly authorized the execution and delivery of this Indenture
to provide for the issuance from time to time of its unsecured debentures, notes
or other  evidences of  indebtedness  (herein  called the  "Securities"),  to be
issued in one or more series as in this Indenture provided.

    All  things  necessary  to make  this  Indenture  a valid  agreement  of the
Company, in accordance with its terms, have been done.

    NOW, THEREFORE, THIS INDENTURE WITNESSETH:

    For and in  consideration of the premises and the purchase of the Securities
by the Holders thereof,  it is mutually agreed,  for the equal and proportionate
benefit of all Holders of the Securities or of series thereof, as follows:


                                  ARTICLE ONE

                        DEFINITIONS AND OTHER PROVISIONS
                             OF GENERAL APPLICATION


SECTION 101.  Definitions.

    For all purposes of this Indenture,  except as otherwise  expressly provided
or unless the context otherwise requires:

        (1) the terms defined in this Article have the meanings assigned to them
   in this Article and include the plural as well as the singular;

        (2) all other terms used herein which are defined in the Trust Indenture
   Act, either directly or by reference  therein,  have the meanings assigned to
   them therein;

        (3) all accounting terms not otherwise  defined herein have the meanings
   assigned to them in accordance with generally accepted accounting principles,
   and,  except as otherwise  herein  expressly  provided,  the term  "generally
   accepted accounting  principles" with respect to any computation  required or
   permitted  hereunder shall mean such  accounting  principles as are generally
   accepted in the United States of America;

        (4) unless the context otherwise requires, any reference to an "Article"
   or a "Section" refers to an Article or a Section, as the case may be, of this
   Indenture; and

        (5) the words  "herein",  "hereof"  and  "hereunder"  and other words of
   similar  import refer to this  Indenture as a whole and not to any particular
   Article, Section or other subdivision.

    "Act",  when used with respect to any Holder,  has the meaning  specified in
Section 104.

    "Affiliate"  of any  specified  Person  means any other  Person  directly or
indirectly  controlling  or  controlled  by or under  direct or indirect  common
control  with  such  specified  Person.  For the  purposes  of this  definition,
"control"  when used with  respect to any  specified  Person  means the power to
direct the  management  and  policies of such  Person,  directly or  indirectly,
whether  through the ownership of voting  securities,  by contract or otherwise;
and the terms  "controlling" and "controlled"  have meanings  correlative to the
foregoing.

    "Authenticating  Agent" means any Person  authorized by the Trustee pursuant
to Section 614 to act on behalf of the Trustee to authenticate Securities of one
or more series.

    "Board of  Directors"  means either the board of directors of the Company or
any duly authorized committee of that board.

    "Board  Resolution" means a copy of a resolution  certified by the Secretary
or an Assistant  Secretary of the Company to have been duly adopted by the Board
of  Directors  and  to be  in  full  force  and  effect  on  the  date  of  such
certification, and delivered to the Trustee.

    "Business Day",  when used with respect to any Place of Payment,  means each
Monday,  Tuesday,  Wednesday,  Thursday  and Friday  which is not a day on which
banking institutions in that Place of Payment are authorized or obligated by law
or executive order to close.

    "Commission" means the Securities and Exchange Commission, from time to time
constituted,  created  under the  Exchange  Act,  or,  if at any time  after the
execution of this  instrument such Commission is not existing and performing the
duties  now  assigned  to it  under  the  Trust  Indenture  Act,  then  the body
performing such duties at such time.

    "Company"  means the Person named as the "Company" in the first paragraph of
this instrument  until a successor Person shall have become such pursuant to the
applicable  provisions of this  Indenture,  and thereafter  "Company" shall mean
such successor Person.

    "Company Request" or "Company Order" means a written request or order signed
in the name of the Company by its  Chairman of the Board,  its Vice  Chairman of
the Board, its President or a Vice President, and by its Treasurer, an Assistant
Treasurer,  its  Secretary  or an  Assistant  Secretary,  and  delivered  to the
Trustee.

    "Corporate  Trust Office" means the office of the Trustee in the City of New
York,  New York at which at any  particular  time its corporate  trust  business
shall be principally administered, which office at the date hereof is located at
450 West 33rd Street, New York, New York 10001.

    "corporation" means a corporation, association, company, joint-stock company
or business trust.

    "Covenant Defeasance" has the meaning specified in Section 1303.

    "Defaulted Interest" has the meaning specified in Section 307.

    "Defeasance" has the meaning specified in Section 1302.

    "Depositary"  means,  with respect to Securities  of any series  issuable in
whole or in part in the form of one or more Global Securities, a clearing agency
registered  under the Exchange Act that is designated  to act as Depositary  for
such Securities as contemplated by Section 301.

    "Event of Default" has the meaning specified in Section 501.

    "Exchange  Act" means the  Securities  Exchange  Act of 1934 and any statute
successor thereto, in each case as amended from time to time.

    "Expiration Date" has the meaning specified in Section 104.

    "Global  Security"  means  a  Security  that  evidences  all or  part of the
Securities  of any series and bears the legend set forth in Section 204 (or such
legend as may be specified as contemplated by Section 301 for such Securities).

    "Holder"  means a Person  in whose  name a  Security  is  registered  in the
Security Register.

    "Indenture" means this instrument as originally  executed and as it may from
time to time be supplemented  or amended by one or more indentures  supplemental
hereto entered into pursuant to the applicable provisions hereof, including, for
all  purposes  of this  instrument  and any  such  supplemental  indenture,  the
provisions of the Trust Indenture Act that are deemed to be a part of and govern
this  instrument and any such  supplemental  indenture,  respectively.  The term
"Indenture"  shall also  include the terms of  particular  series of  Securities
established as contemplated by Section 301.

    "interest",  when used with respect to an Original Issue  Discount  Security
which by its terms bears interest only after  Maturity,  means interest  payable
after Maturity.

    "Interest Payment Date",  when used with respect to any Security,  means the
Stated Maturity of an instalment of interest on such Security.

    "Investment  Company Act" means the  Investment  Company Act of 1940 and any
statute successor thereto, in each case as amended from time to time.

    "Maturity",  when used with respect to any Security, means the date on which
the principal of such  Security or an  instalment  of principal  becomes due and
payable as  therein or herein  provided,  whether at the Stated  Maturity  or by
declaration of acceleration, call for redemption or otherwise.

    "Notice of Default"  means a written notice of the kind specified in Section
501(4).

    "Officers'  Certificate"  means a certificate  signed by the Chairman of the
Board, a Vice Chairman of the Board,  the President or a Vice President,  and by
the Treasurer, an Assistant Treasurer,  the Secretary or an Assistant Secretary,
of the Company,  and  delivered to the Trustee.  One of the officers  signing an
Officers'  Certificate  given  pursuant to Section  1004 shall be the  principal
executive, financial or accounting officer of the Company.

    "Opinion of Counsel" means a written opinion of counsel,  who may be counsel
for the Company, or other counsel who shall be acceptable to the Trustee.

    "Original Issue Discount  Security" means any Security which provides for an
amount  less than the  principal  amount  thereof to be due and  payable  upon a
declaration of acceleration of the Maturity thereof pursuant to Section 502.

    "Outstanding",  when used with respect to Securities,  means, as of the date
of determination,  all Securities theretofore  authenticated and delivered under
this Indenture, except:

        (1) Securities  theretofore cancelled by the Trustee or delivered to the
   Trustee for cancellation;

        (2)  Securities  for whose payment or redemption  money in the necessary
   amount has been  theretofore  deposited  with the Trustee or any Paying Agent
   (other than the Company) in trust or set aside and segregated in trust by the
   Company (if the Company shall act as its own Paying Agent) for the Holders of
   such Securities; provided that, if such Securities are to be redeemed, notice
   of such  redemption  has  been  duly  given  pursuant  to this  Indenture  or
   provision therefor satisfactory to the Trustee has been made;

        (3)  Securities as to which  Defeasance  has been  effected  pursuant to
   Section 1302; and

        (4)  Securities  which  have been paid  pursuant  to  Section  306 or in
   exchange for or in lieu of which other Securities have been authenticated and
   delivered  pursuant  to this  Indenture,  other than any such  Securities  in
   respect  of which  there  shall  have been  presented  to the  Trustee  proof
   satisfactory  to it that such Securities are held by a bona fide purchaser in
   whose hands such Securities are valid obligations of the Company;

provided,  however,  that in  determining  whether the Holders of the  requisite
principal  amount of the Outstanding  Securities  have given,  made or taken any
request,  demand,  authorization,  direction,  notice,  consent, waiver or other
action  hereunder as of any date, (A) the principal  amount of an Original Issue
Discount Security which shall be deemed to be Outstanding shall be the amount of
the  principal  thereof  which  would be due and  payable  as of such  date upon
acceleration  of the Maturity  thereof to such date pursuant to Section 502, (B)
if, as of such date, the principal  amount  payable at the Stated  Maturity of a
Security is not determinable,  the principal amount of such Security which shall
be deemed to be  Outstanding  shall be the amount as specified or  determined as
contemplated by Section 301, (C) the principal amount of a Security  denominated
in one or more foreign  currencies or currency units which shall be deemed to be
Outstanding shall be the U.S. dollar  equivalent,  determined as of such date in
the manner provided as  contemplated by Section 301, of the principal  amount of
such  Security  (or,  in the case of a Security  described  in Clause (A) or (B)
above, of the amount determined as provided in such Clause),  and (D) Securities
owned by the Company or any other  obligor upon the  Securities or any Affiliate
of the Company or of such other obligor shall be  disregarded  and deemed not to
be  Outstanding,  except  that,  in  determining  whether the  Trustee  shall be
protected in relying upon any such request,  demand,  authorization,  direction,
notice,  consent,  waiver or other  action,  only  Securities  which the Trustee
actually knows to be so owned shall be so disregarded. Securities so owned which
have been  pledged in good faith may be regarded as  Outstanding  if the pledgee
establishes  to the  satisfaction  of the Trustee the pledgee's  right so to act
with respect to such  Securities  and that the pledgee is not the Company or any
other  obligor upon the  Securities  or any  Affiliate of the Company or of such
other obligor.

    "Paying  Agent"  means  any  Person  authorized  by the  Company  to pay the
principal  of or any  premium or  interest  on any  Securities  on behalf of the
Company.

    "Person"  means any  individual,  corporation,  partnership,  joint venture,
trust,  unincorporated  organization  or  government  or any agency or political
subdivision thereof.

    "Place of Payment",  when used with respect to the Securities of any series,
means the place or places where the principal of and any premium and interest on
the  Securities  of that  series are payable as  specified  as  contemplated  by
Section 301.

    "Predecessor  Security"  of any  particular  Security  means every  previous
Security  evidencing all or a portion of the same debt as that evidenced by such
particular  Security;  and,  for the purposes of this  definition,  any Security
authenticated  and  delivered  under Section 306 in exchange for or in lieu of a
mutilated,  destroyed,  lost or stolen  Security shall be deemed to evidence the
same debt as the mutilated, destroyed, lost or stolen Security.

    "Redemption  Date",  when used with  respect to any Security to be redeemed,
means the date fixed for such redemption by or pursuant to this Indenture.

    "Redemption  Price",  when used with respect to any Security to be redeemed,
means the price at which it is to be redeemed pursuant to this Indenture.

    "Regular Record Date" for the interest  payable on any Interest Payment Date
on the  Securities  of any series means the date  specified  for that purpose as
contemplated by Section 301.

    "Responsible  Officer",  when used with  respect to the  Trustee,  means the
chairman or any  vice-chairman  of the board of  directors,  the chairman or any
vice-chairman of the executive committee of the board of directors, the chairman
of the trust committee,  the president,  any vice president,  the secretary, any
assistant secretary,  the treasurer,  any assistant treasurer,  the cashier, any
assistant  cashier,  any senior trust  officer,  any trust  officer or assistant
trust officer,  the controller or any assistant  controller or any other officer
of the Trustee  customarily  performing  functions similar to those performed by
any of  the  above  designated  officers  and  also  means,  with  respect  to a
particular  corporate  trust  matter,  any other  officer to whom such matter is
referred  because  of his  knowledge  of and  familiarity  with  the  particular
subject.

    "Securities"  has the meaning  stated in the first recital of this Indenture
and more  particularly  means any Securities  authenticated  and delivered under
this Indenture.

    "Securities Act" means the Securities Act of 1933 and any statute  successor
thereto, in each case as amended from time to time.

    "Security  Register" and "Security  Registrar" have the respective  meanings
specified in Section 305.

    "Special Record Date" for the payment of any Defaulted Interest means a date
fixed by the Trustee pursuant to Section 307.

    "Stated Maturity",  when used with respect to any Security or any instalment
of  principal  thereof or interest  thereon,  means the date  specified  in such
Security  as the fixed  date on which the  principal  of such  Security  or such
instalment of principal or interest is due and payable.

    "Subsidiary"  means a corporation  more than 50% of the  outstanding  voting
stock of which is owned,  directly  or  indirectly,  by the Company or by one or
more other  Subsidiaries,  or by the Company and one or more other Subsidiaries.
For the purposes of this definition, "voting stock" means stock which ordinarily
has voting power for the election of directors,  whether at all times or only so
long as no  senior  class  of stock  has such  voting  power  by  reason  of any
contingency.

    "Trust  Indenture Act" means the Trust  Indenture Act of 1939 as in force at
the date as of which this instrument was executed;  provided,  however,  that in
the event the Trust  Indenture  Act of 1939 is amended  after such date,  "Trust
Indenture Act" means, to the extent  required by any such  amendment,  the Trust
Indenture Act of 1939 as so amended.

    "Trustee"  means the Person named as the "Trustee" in the first paragraph of
this instrument until a successor Trustee shall have become such pursuant to the
applicable provisions of this Indenture,  and thereafter "Trustee" shall mean or
include each Person who is then a Trustee hereunder, and if at any time there is
more than one such Person,  "Trustee" as used with respect to the  Securities of
any series shall mean the Trustee with respect to Securities of that series.

    "U.S. Government Obligation" has the meaning specified in Section 1304.

    "Vice  President",  when used with  respect to the  Company or the  Trustee,
means any vice  president,  whether or not  designated  by a number or a word or
words added before or after the title "vice president".


SECTION 102.  Compliance Certificates and Opinions.

    Upon any  application  or request by the  Company to the Trustee to take any
action under any provision of this  Indenture,  the Company shall furnish to the
Trustee  such  certificates  and  opinions  as may be  required  under the Trust
Indenture Act. Each such certificate or opinion shall be given in the form of an
Officers'  Certificate,  if to be  given by an  officer  of the  Company,  or an
Opinion  of  Counsel,  if to be given by  counsel,  and  shall  comply  with the
requirements of the Trust Indenture Act and any other  requirements set forth in
this Indenture.

    Every  certificate or opinion with respect to compliance with a condition or
covenant provided for in this Indenture shall include,

        (1) a statement that each individual signing such certificate or opinion
   has read such  covenant or  condition  and the  definitions  herein  relating
   thereto;

        (2) a brief  statement as to the nature and scope of the  examination or
   investigation  upon  which  the  statements  or  opinions  contained  in such
   certificate or opinion are based;

        (3) a statement  that,  in the opinion of each such  individual,  he has
   made such  examination  or  investigation  as is  necessary  to enable him to
   express an informed  opinion as to whether or not such  covenant or condition
   has been complied with; and

        (4) a statement as to whether,  in the opinion of each such  individual,
   such condition or covenant has been complied with.


SECTION 103.  Form of Documents Delivered to Trustee.

    In any case where  several  matters  are  required  to be  certified  by, or
covered by an opinion of, any specified  Person,  it is not  necessary  that all
such  matters  be  certified  by, or covered by the  opinion  of,  only one such
Person,  or that they be so certified or covered by only one  document,  but one
such Person may certify or give an opinion  with respect to some matters and one
or more other such Persons as to other matters,  and any such Person may certify
or give an opinion as to such matters in one or several documents.

    Any  certificate  or  opinion of an  officer  of the  Company  may be based,
insofar as it relates to legal  matters,  upon a  certificate  or opinion of, or
representations  by,  counsel,  unless such officer knows, or in the exercise of
reasonable care should know, that the certificate or opinion or  representations
with respect to the matters upon which his  certificate  or opinion is based are
erroneous.  Any such certificate or opinion of counsel may be based,  insofar as
it  relates  to  factual   matters,   upon  a  certificate  or  opinion  of,  or
representations  by, an officer or  officers  of the  Company  stating  that the
information  with respect to such factual  matters is in the  possession  of the
Company, unless such counsel knows, or in the exercise of reasonable care should
know,  that the certificate or opinion or  representations  with respect to such
matters are erroneous.

    Where  any  Person  is  required  to  make,  give  or  execute  two or  more
applications,  requests, consents,  certificates,  statements, opinions or other
instruments  under this Indenture,  they may, but need not, be consolidated  and
form one instrument.


SECTION 104.  Acts of Holders; Record Dates.

    Any request, demand,  authorization,  direction,  notice, consent, waiver or
other action provided or permitted by this Indenture to be given,  made or taken
by Holders  may be  embodied  in and  evidenced  by one or more  instruments  of
substantially  similar  tenor  signed by such Holders in person or by agent duly
appointed in writing;  and, except as herein otherwise expressly provided,  such
action shall become  effective when such instrument or instruments are delivered
to the Trustee and, where it is hereby expressly required,  to the Company. Such
instrument  or  instruments  (and the  action  embodied  therein  and  evidenced
thereby) are herein  sometimes  referred to as the "Act" of the Holders  signing
such instrument or instruments.  Proof of execution of any such instrument or of
a writing  appointing any such agent shall be sufficient for any purpose of this
Indenture  and (subject to Section 601)  conclusive  in favor of the Trustee and
the Company, if made in the manner provided in this Section.

    The fact and date of the  execution by any Person of any such  instrument or
writing may be proved by the  affidavit  of a witness of such  execution or by a
certificate  of a notary  public  or  other  officer  authorized  by law to take
acknowledgments of deeds, certifying that the individual signing such instrument
or writing acknowledged to him the execution thereof. Where such execution is by
a  signer  acting  in a  capacity  other  than  his  individual  capacity,  such
certificate  or  affidavit  shall  also  constitute   sufficient  proof  of  his
authority. The fact and date of the execution of any such instrument or writing,
or the  authority of the Person  executing  the same,  may also be proved in any
other manner which the Trustee deems sufficient.

    The ownership of Securities shall be proved by the Security Register.

    Any request, demand,  authorization,  direction,  notice, consent, waiver or
other Act of the Holder of any Security  shall bind every  future  Holder of the
same Security and the Holder of every Security  issued upon the  registration of
transfer  thereof  or in  exchange  therefor  or in lieu  thereof  in respect of
anything  done,  omitted or suffered to be done by the Trustee or the Company in
reliance  thereon,  whether  or not  notation  of such  action is made upon such
Security.

    The Company may set any day as a record date for the purpose of  determining
the Holders of Outstanding  Securities of any series  entitled to give,  make or
take any request, demand,  authorization,  direction, notice, consent, waiver or
other action provided or permitted by this Indenture to be given,  made or taken
by Holders of Securities of such series, provided that the Company may not set a
record  date for,  and the  provisions  of this  paragraph  shall not apply with
respect  to,  the  giving or  making  of any  notice,  declaration,  request  or
direction referred to in the next paragraph.  If any record date is set pursuant
to this paragraph,  the Holders of Outstanding Securities of the relevant series
on such record date, and no other  Holders,  shall be entitled to take or revoke
the relevant  action,  whether or not such  Holders  remain  Holders  after such
record date;  provided that no such action shall be effective  hereunder  unless
taken on or prior to the applicable  Expiration Date by Holders of the requisite
principal  amount of Outstanding  Securities of such series on such record date.
Nothing in this paragraph shall be construed to prevent the Company from setting
a new record date for any action for which a record date has previously been set
pursuant  to this  paragraph  (whereupon  the record date  previously  set shall
automatically  and with no action by any Person be cancelled  and of no effect),
and nothing in this  paragraph  shall be  construed  to render  ineffective  any
action  taken by  Holders  of the  requisite  principal  amount  of  Outstanding
Securities  of the  relevant  series on the date such action is taken.  Promptly
after any record date is set pursuant to this paragraph, the Company, at its own
expense,  shall cause notice of such record date, the proposed action by Holders
and the applicable  Expiration Date to be given to the Trustee in writing and to
each  Holder of  Securities  of the  relevant  series in the manner set forth in
Section 106.

    The Trustee may set any day as a record date for the purpose of  determining
the  Holders of  Outstanding  Securities  of any series  entitled to join in the
giving  or  making  of (i) any  Notice  of  Default,  (ii)  any  declaration  of
acceleration  referred  to in  Section  502,  (iii)  any  request  to  institute
proceedings  referred to in Section 507(2) or (iv) any direction  referred to in
Section 512, in each case with  respect to  Securities  of such  series.  If any
record  date is set  pursuant  to this  paragraph,  the  Holders of  Outstanding
Securities of such series on such record date,  and no other  Holders,  shall be
entitled to join in such notice, declaration,  request or direction or to revoke
the same,  whether or not such Holders  remain  Holders  after such record date;
provided  that no such action  shall be effective  hereunder  unless taken on or
prior to the applicable  Expiration  Date by Holders of the requisite  principal
amount of Outstanding  Securities of such series on such record date. Nothing in
this  paragraph  shall be  construed  to prevent the Trustee  from setting a new
record  date for any  action  for which a record  date has  previously  been set
pursuant  to this  paragraph  (whereupon  the record date  previously  set shall
automatically  and with no action by any Person be cancelled  and of no effect),
and nothing in this  paragraph  shall be  construed  to render  ineffective  any
action  taken by  Holders  of the  requisite  principal  amount  of  Outstanding
Securities  of the  relevant  series on the date such action is taken.  Promptly
after any record date is set pursuant to this  paragraph,  the  Trustee,  at the
Company's  expense,  shall cause notice of such record date, the proposed action
by Holders  and the  applicable  Expiration  Date to be given to the  Company in
writing and to each Holder of  Securities  of the relevant  series in the manner
set forth in Section 106.

    With  respect to any record  date set  pursuant to this  Section,  the party
hereto which sets such record  dates may  designate  any day as the  "Expiration
Date" and from time to time may change  the  Expiration  Date to any  earlier or
later day;  provided that no such change shall be effective unless notice of the
proposed new Expiration Date is given to the other party hereto in writing,  and
to each Holder of Securities  of the relevant  series in the manner set forth in
Section 106, on or prior to the existing  Expiration Date. If an Expiration Date
is not designated  with respect to any record date set pursuant to this Section,
the party  hereto  which set such record date shall be deemed to have  initially
designated  the 180th day after such  record  date as the  Expiration  Date with
respect thereto,  subject to its right to change the Expiration Date as provided
in this paragraph.  Notwithstanding  the foregoing,  no Expiration Date shall be
later than the 180th day after the applicable record date.

    Without  limiting the  foregoing,  a Holder  entitled  hereunder to take any
action hereunder with regard to any particular Security may do so with regard to
all or any part of the principal  amount of such Security or by one or more duly
appointed  agents  each of which may do so  pursuant  to such  appointment  with
regard to all or any part of such principal amount.


SECTION 105.  Notices, Etc., to Trustee and Company.

    Any request, demand,  authorization,  direction,  notice, consent, waiver or
Act of Holders or other  document  provided or permitted by this Indenture to be
made upon, given or furnished to, or filed with,

        (1) the Trustee by any Holder or by the Company shall be sufficient  for
   every purpose hereunder if made,  given,  furnished or filed in writing to or
   with the Trustee at its Corporate Trust Office, Attention:  Corporate Trustee
   Administration, or

        (2) the Company by the Trustee or by any Holder shall be sufficient  for
   every purpose hereunder  (unless  otherwise herein expressly  provided) if in
   writing and mailed,  first-class postage prepaid, to the Company addressed to
   it at the address of its principal office specified in the first paragraph of
   this  instrument or at any other address  previously  furnished in writing to
   the Trustee by the Company.


SECTION 106.  Notice to Holders; Waiver.

    Where this  Indenture  provides  for  notice to  Holders of any event,  such
notice shall be sufficiently given (unless otherwise herein expressly  provided)
if in writing and mailed,  first-class  postage prepaid, to each Holder affected
by such event, at his address as it appears in the Security Register,  not later
than the latest date (if any),  and not earlier than the earliest date (if any),
prescribed for the giving of such notice. In any case where notice to Holders is
given by mail,  neither the failure to mail such  notice,  nor any defect in any
notice so mailed,  to any particular Holder shall affect the sufficiency of such
notice with respect to other Holders.  Where this Indenture  provides for notice
in any manner,  such  notice may be waived in writing by the Person  entitled to
receive such notice,  either before or after the event, and such waiver shall be
the equivalent of such notice.  Waivers of notice by Holders shall be filed with
the Trustee,  but such filing shall not be a condition precedent to the validity
of any action taken in reliance upon such waiver.

    In case by reason of the  suspension of regular mail service or by reason of
any other cause it shall be impracticable to give such notice by mail, then such
notification as shall be made with the approval of the Trustee shall  constitute
a sufficient notification for every purpose hereunder.


SECTION 107.  Conflict with Trust Indenture Act.

    If any provision  hereof limits,  qualifies or conflicts with a provision of
the Trust  Indenture  Act which is  required  under such Act to be a part of and
govern this Indenture,  the latter provision shall control.  If any provision of
this  Indenture  modifies or excludes any  provision of the Trust  Indenture Act
which may be so modified or excluded,  the latter  provision  shall be deemed to
apply to this Indenture as so modified or to be excluded, as the case may be.


SECTION 108.  Effect of Headings and Table of Contents.

    The Article and Section  headings  herein and the Table of Contents  are for
convenience only and shall not affect the construction hereof.


SECTION 109.  Successors and Assigns.

    All covenants and agreements in this Indenture by the Company shall bind its
successors and assigns, whether so expressed or not.


SECTION 110.  Separability Clause.

    In case  any  provision  in this  Indenture  or in the  Securities  shall be
invalid, illegal or unenforceable,  the validity, legality and enforceability of
the remaining provisions shall not in any way be affected or impaired thereby.


SECTION 111.  Benefits of Indenture.

    Nothing in this Indenture or in the  Securities,  express or implied,  shall
give to any Person, other than the parties hereto and their successors hereunder
and the Holders,  any benefit or any legal or equitable  right,  remedy or claim
under this Indenture.


SECTION 112.  Governing Law.

    This  Indenture  and the  Securities  shall be governed by and  construed in
accordance with the law of the State of New York, without regard to conflicts of
laws principles thereof.


SECTION 113.  Legal Holidays.

    In any case  where any  Interest  Payment  Date,  Redemption  Date or Stated
Maturity of any  Security  shall not be a Business  Day at any Place of Payment,
then (notwithstanding any other provision of this Indenture or of the Securities
(other than a provision  of any  Security  which  specifically  states that such
provision shall apply in lieu of this Section)) payment of interest or principal
(and  premium,  if any) need not be made at such  Place of Payment on such date,
but may be made on the next  succeeding  Business  Day at such  Place of Payment
with the same  force  and  effect  as if made on the  Interest  Payment  Date or
Redemption Date, or at the Stated Maturity.


                                  ARTICLE TWO

                                 SECURITY FORMS


SECTION 201.  Forms Generally.

    The Securities of each series shall be in  substantially  the form set forth
in this Article, or in such other form as shall be established by or pursuant to
a Board  Resolution or in one or more indentures  supplemental  hereto,  in each
case  with  such  appropriate  insertions,  omissions,  substitutions  and other
variations  as are required or permitted  by this  Indenture,  and may have such
letters,   numbers  or  other  marks  of  identification  and  such  legends  or
endorsements  placed  thereon as may be required to comply with the rules of any
securities exchange or Depositary therefor or as may, consistently  herewith, be
determined  by the officers  executing  such  Securities,  as evidenced by their
execution  thereof.  If the form of Securities of any series is  established  by
action taken pursuant to a Board Resolution,  a copy of an appropriate record of
such action shall be certified by the Secretary or an Assistant Secretary of the
Company and  delivered to the Trustee at or prior to the delivery of the Company
Order  contemplated by Section 303 for the  authentication  and delivery of such
Securities.

    The  definitive  Securities  shall be printed,  lithographed  or engraved on
steel engraved borders or may be produced in any other manner, all as determined
by the officers  executing such  Securities,  as evidenced by their execution of
such Securities.


SECTION 202.  Form of Face of Security.

    [Insert any legend required by the Internal Revenue Code and the regulations
thereunder.]

                         ARIZONA PUBLIC SERVICE COMPANY

                    .......................................

No. .........                                                         $ ........
                                                             CUSIP No.
                                                                        --------

    Arizona Public Service  Company,  a corporation  duly organized and existing
under the laws of Arizona (herein called the "Company",  which term includes any
successor  Person  under  the  Indenture  hereinafter  referred  to),  for value
received,          hereby          promises          to          pay          to
 ...............................................,   or  registered  assigns,  the
principal    sum   of    ......................................    Dollars    on
 ........................................................  [if the Security is to
bear  interest  prior to  Maturity,  insert , and to pay  interest  thereon from
 .............  or from the most recent  Interest  Payment Date to which interest
has  been  paid  or  duly  provided  for,  semi-annually  on  ............   and
 ............ in each year, commencing ........., at the rate of ....% per annum,
until the principal hereof is paid or made available for payment [if applicable,
insert , provided  that any principal  and premium,  and any such  instalment of
interest, which is overdue shall bear interest at the rate of ...% per annum (to
the extent that the payment of such interest shall be legally enforceable), from
the  dates  such  amounts  are due  until  they are paid or made  available  for
payment, and such interest shall be payable on demand]. The interest so payable,
and punctually paid or duly provided for, on any Interest  Payment Date will, as
provided in such  Indenture,  be paid to the Person in whose name this  Security
(or one or more  Predecessor  Securities) is registered at the close of business
on the Regular  Record  Date for such  interest,  which shall be the .......  or
 ....... (whether or not a Business Day), as the case may be, next preceding such
Interest Payment Date. Any such interest not so punctually paid or duly provided
for will forthwith cease to be payable to the Holder on such Regular Record Date
and may either be paid to the Person in whose name this Security (or one or more
Predecessor  Securities)  is  registered  at the close of  business on a Special
Record  Date  for the  payment  of such  Defaulted  Interest  to be fixed by the
Trustee,  notice  whereof shall be given to Holders of Securities of this series
not less than 10 days prior to such Special  Record Date, or be paid at any time
in any  other  lawful  manner  not  inconsistent  with the  requirements  of any
securities  exchange on which the  Securities of this series may be listed,  and
upon such notice as may be required by such exchange, all as more fully provided
in said Indenture].

[If the Security is not to bear interest prior to Maturity, insert The principal
of this  Security  shall not bear  interest  except in the case of a default  in
payment of principal upon  acceleration,  upon  redemption or at Stated Maturity
and in such case the  overdue  principal  and any  overdue  premium  shall  bear
interest  at the rate of ....% per annum (to the extent that the payment of such
interest  shall be legally  enforceable),  from the dates such  amounts  are due
until they are paid or made  available  for  payment.  Interest  on any  overdue
principal or premium  shall be payable on demand.  Any such  interest on overdue
principal or premium which is not paid on demand shall bear interest at the rate
of  ......%  per annum (to the  extent  that the  payment  of such  interest  on
interest shall be legally  enforceable),  from the date of such demand until the
amount so  demanded  is paid or made  available  for  payment.  Interest  on any
overdue interest shall be payable on demand.]

    Payment of the principal of (and premium, if any) and [if applicable, insert
any such]  interest on this Security will be made at the office or agency of the
Company maintained for that purpose in ............, in such coin or currency of
the United  States of  America  as at the time of  payment  is legal  tender for
payment of public and private debts [if applicable,  insert ; provided, however,
that at the  option of the  Company  payment  of  interest  may be made by check
mailed to the  address of the Person  entitled  thereto  as such  address  shall
appear in the Security Register].

    Reference  is hereby made to the further  provisions  of this  Security  set
forth on the reverse  hereof,  which further  provisions  shall for all purposes
have the same effect as if set forth at this place.

    Unless the  certificate  of  authentication  hereon has been executed by the
Trustee  referred to on the reverse  hereof by manual  signature,  this Security
shall  not be  entitled  to any  benefit  under  the  Indenture  or be  valid or
obligatory for any purpose.

    IN WITNESS  WHEREOF,  the  Company  has caused  this  instrument  to be duly
executed under its corporate seal.



                                                  ARIZONA PUBLIC SERVICE COMPANY

                                                  By............................

Attest:

 .........................................


SECTION 203.  Form of Reverse of Security.

    This Security is one of a duly authorized issue of securities of the Company
(herein called the "Securities"),  issued and to be issued in one or more series
under  an  Indenture,  dated  as of  ______________,  1995  (herein  called  the
"Indenture",  which  term  shall  have  the  meaning  assigned  to  it  in  such
instrument),  between the Company and Chemical  Bank, as Trustee  (herein called
the "Trustee",  which term includes any successor  trustee under the Indenture),
and reference is hereby made to the Indenture for a statement of the  respective
rights,  limitations of rights, duties and immunities thereunder of the Company,
the Trustee and the  Holders of the  Securities  and of the terms upon which the
Securities are, and are to be, authenticated and delivered. This Security is one
of the series designated on the face hereof [if applicable,insert   , limited in
                                                                 ---
aggregate principal amount to $...........].


    [If  applicable,insert___  The  Securities  of this  series  are  subject to
redemption upon not less than 30 days' notice by mail, [if applicable,  insert__
(1) on ...........  in any year commencing with the year ......  and ending with
the year  ......  through  operation  of the  sinking  fund for this series at a
Redemption Price equal to 100% of the principal amount, and (2)] at any time [if
applicable,  insert on or after .........., 19..], as a whole or in part, at the
election of  the Company,  at  the  following  Redemption  Prices  (expressed as
percentages of the principal amount): If redeemed [if applicable, insert__on or
before  ...............,  ...%,  and if  redeemed]  during the  12-month  period
beginning ............. of the years indicated,



               Redemption                              Redemption
Year              Price                Year              Price
- ----           ----------              ----            ----------








and  thereafter at a Redemption  Price equal to .....% of the principal  amount,
together in the case of any such  redemption  [if  applicable, insert___(whether
through  operation of the sinking fund or otherwise)]  with accrued  interest to
the Redemption  Date, but interest  installments  whose Stated Maturity is on or
prior to such Redemption Date will be payable to the Holders of such Securities,
or one or more Predecessor Securities, of record at the close of business on the
relevant  Record Dates  referred to on the face  hereof,  all as provided in the
Indenture.]

    [If  applicable, insert__ The  Securities  of this  series  are  subject  to
redemption  upon not less than 30 days' notice by mail, (1) on  ............  in
any year  commencing  with the year ....  and ending with the year ....  through
operation  of the  sinking  fund for this  series at the  Redemption  Prices for
redemption  through  operation of the sinking fund  (expressed as percentages of
the  principal  amount)  set forth in the table  below,  and (2) at any time [if
applicable, insert__ on or after  ............],  as a whole or in part,  at the
election of the Company, at the Redemption Prices for redemption  otherwise than
through operation of the sinking fund (expressed as percentages of the principal
amount) set forth in the table below:  If redeemed  during the  12-month  period
beginning ............ of the years indicated,

                  Redemption Price                    
                   For Redemption                    Redemption Price For 
                  Through Operation                  Redemption Otherwise
                       of the                       Than Through Operation
Year                 Sinking Fund                     of the Sinking Fund
- ----              -----------------                 ----------------------






and  thereafter at a Redemption  Price equal to .....% of the principal  amount,
together in the case of any such redemption  (whether  through  operation of the
sinking fund or otherwise)  with accrued  interest to the  Redemption  Date, but
interest  installments  whose Stated  Maturity is on or prior to such Redemption
Date  will  be  payable  to the  Holders  of  such  Securities,  or one or  more
Predecessor  Securities,  of  record at the close of  business  on the  relevant
Record Dates referred to on the face hereof, all as provided in the Indenture.]

    [If applicable, insert__ Notwithstanding the foregoing, the Company may not,
prior to .............,  redeem any Securities of this series as contemplated by
[if applicable, insert__ Clause (2) of] the preceding paragraph as a part of, or
in  anticipation  of, any refunding  operation by the  application,  directly or
indirectly,   of  moneys  borrowed  having  an  interest  cost  to  the  Company
(calculated in accordance with generally  accepted  financial  practice) of less
than .....% per annum.]

    [If  applicable,  insert__ The sinking fund for this series provides for the
redemption on  ............  in each year  beginning  with the year .......  and
ending  with  the  year  ......  of  [if  applicable,  insert__  not  less  than
$..........  ("mandatory sinking fund") and not more than] $.........  aggregate
principal  amount  of  Securities  of this  series.  Securities  of this  series
acquired  or  redeemed by the Company  otherwise  than  through [if  applicable,
insert__ mandatory] sinking fund payments may be credited against subsequent [if
applicable,insert__  mandatory]  sinking fund payments  otherwise required to be
made [if applicable, insert__ , in the inverse order in which they become due].]

    [If the Security is subject to redemption of any kind, insert__ In the event
of  redemption  of this  Security in part only, a new Security or  Securities of
this series and of like tenor for the  unredeemed  portion hereof will be issued
in the name of the Holder hereof upon the cancellation hereof.]


    [If applicable, insert__ The Indenture contains provisions for defeasance at
any time of [the entire indebtedness of this Security] [or] [certain restrictive
covenants and Events of Default with respect to this  Security] [, in each case]
upon compliance with certain conditions set forth in the Indenture.]

    [If the Security is not an Original Issue Discount Security,  insert__ If an
Event of Default  with respect to  Securities  of this series shall occur and be
continuing,  the principal of the  Securities of this series may be declared due
and payable in the manner and with the effect provided in the Indenture.]

    [If the  Security is an Original  Issue  Discount  Security,  insert__ If an
Event of Default  with respect to  Securities  of this series shall occur and be
continuing,  an amount of  principal  of the  Securities  of this  series may be
declared  due and  payable in the manner  and with the  effect  provided  in the
Indenture.  Such amount shall be equal to insert__  formula for  determining the
amount.  Upon payment (i) of the amount of principal so declared due and payable
and (ii) of interest on any overdue  principal,  premium and  interest  (in each
case  to the  extent  that  the  payment  of  such  interest  shall  be  legally
enforceable),  all of the Company's obligations in respect of the payment of the
principal of and premium and interest,  if any, on the Securities of this series
shall terminate.]

    The Indenture  permits,  with certain  exceptions as therein  provided,  the
amendment  thereof and the  modification  of the rights and  obligations  of the
Company  and the rights of the  Holders of the  Securities  of each series to be
affected under the Indenture at any time by the Company and the Trustee with the
consent of the Holders of 66 2/3% in principal  amount of the  Securities at the
time  Outstanding  of each series to be affected.  The  Indenture  also contains
provisions  permitting the Holders of specified  percentages in principal amount
of the  Securities  of each  series  at the time  Outstanding,  on behalf of the
Holders of all  Securities  of such series,  to waive  compliance by the Company
with certain  provisions of the  Indenture  and certain past defaults  under the
Indenture  and their  consequences.  Any such consent or waiver by the Holder of
this  Security  shall be  conclusive  and binding  upon such Holder and upon all
future Holders of this Security and of any Security issued upon the registration
of transfer  hereof or in exchange  therefor or in lieu  hereof,  whether or not
notation of such consent or waiver is made upon this Security.

    As provided in and subject to the provisions of the Indenture, the Holder of
this Security shall not have the right to institute any proceeding  with respect
to the  Indenture  or for the  appointment  of a receiver  or trustee or for any
other  remedy  thereunder,  unless such Holder shall have  previously  given the
Trustee  written  notice of a  continuing  Event of Default  with respect to the
Securities of this series,  the Holders of not less than 25% in principal amount
of the Securities of this series at the time Outstanding shall have made written
request to the  Trustee  to  institute  proceedings  in respect of such Event of
Default as Trustee and offered the Trustee reasonable indemnity, and the Trustee
shall not have  received  from the Holders of a majority in principal  amount of
Securities of this series at the time Outstanding a direction  inconsistent with
such  request,  and shall have failed to institute any such  proceeding,  for 60
days after receipt of such notice, request and offer of indemnity. The foregoing
shall not apply to any suit  instituted  by the Holder of this  Security for the
enforcement of any payment of principal hereof or any premium or interest hereon
on or after the respective due dates expressed herein.

    No reference herein to the Indenture and no provision of this Security or of
the  Indenture  shall alter or impair the  obligation  of the Company,  which is
absolute and unconditional, to pay the principal of and any premium and interest
on this  Security  at the times,  place and rate,  and in the coin or  currency,
herein prescribed.

    As provided in the Indenture and subject to certain  limitations therein set
forth,  the transfer of this Security is registrable  in the Security  Register,
upon  surrender of this Security for  registration  of transfer at the office or
agency of the  Company in any place where the  principal  of and any premium and
interest on this  Security are payable,  duly endorsed by, or  accompanied  by a
written  instrument  of  transfer  in form  satisfactory  to the Company and the
Security  Registrar  duly  executed by, the Holder  hereof or his attorney  duly
authorized in writing,  and thereupon one or more new  Securities of this series
and of like  tenor,  of  authorized  denominations  and for the  same  aggregate
principal amount, will be issued to the designated transferee or transferees.

    The  Securities of this series are issuable only in registered  form without
coupons in  denominations  of $.......  and any integral  multiple  thereof.  As
provided in the Indenture and subject to certain  limitations therein set forth,
Securities of this series are exchangeable for a like aggregate principal amount
of  Securities  of this  series  and of like  tenor  of a  different  authorized
denomination, as requested by the Holder surrendering the same.

    No service  charge  shall be made for any such  registration  of transfer or
exchange,  but the Company may require  payment of a sum sufficient to cover any
tax or other governmental charge payable in connection therewith.

    Prior to due presentment of this Security for registration of transfer,  the
Company,  the  Trustee and any agent of the Company or the Trustee may treat the
Person in whose name this  Security is  registered  as the owner  hereof for all
purposes,  whether or not this Security be overdue, and neither the Company, the
Trustee nor any such agent shall be affected by notice to the contrary.

    All terms used in this  Security  which are defined in the  Indenture  shall
have the meanings assigned to them in the Indenture.


SECTION 204.  Form of Legend for Global Securities.

    Unless otherwise specified as contemplated by Section 301 for the Securities
evidenced thereby,  every Global Security  authenticated and delivered hereunder
shall bear a legend in substantially the following form:

THIS  SECURITY  IS A  GLOBAL  SECURITY  WITHIN  THE  MEANING  OF  THE  INDENTURE
HEREINAFTER  REFERRED  TO AND IS  REGISTERED  IN THE NAME OF A  DEPOSITARY  OR A
NOMINEE  THEREOF.  THIS  SECURITY MAY NOT BE EXCHANGED IN WHOLE OR IN PART FOR A
SECURITY REGISTERED, AND NO TRANSFER OF THIS SECURITY IN WHOLE OR IN PART MAY BE
REGISTERED,  IN THE NAME OF ANY PERSON OTHER THAN SUCH  DEPOSITARY  OR A NOMINEE
THEREOF, EXCEPT IN THE LIMITED CIRCUMSTANCES DESCRIBED IN THE INDENTURE.


SECTION 205.  Form of Trustee's Certificate of Authentication.

    The Trustee's  certificates of authentication  shall be in substantially the
following form:

    This is one of the Securities of the series  designated  therein referred to
in the within-mentioned Indenture.


                                           CHEMICAL BANK,
                                           As Trustee


                                           By...................................
                                              Authorized Officer


                                 ARTICLE THREE

                                 THE SECURITIES


SECTION 301.  Amount Unlimited; Issuable in Series.

    The aggregate  principal amount of Securities which may be authenticated and
delivered under this Indenture is unlimited.

    The  Securities  may be  issued  in one  or  more  series.  There  shall  be
established in or pursuant to a Board  Resolution  and,  subject to Section 303,
set forth, or determined in the manner provided, in an Officers' Certificate, or
established in one or more indentures supplemental hereto, prior to the issuance
of Securities of any series,

    (1) the title of the Securities of the series (which shall  distinguish  the
  Securities of the series from Securities of any other series);

    (2) any limit upon the aggregate  principal  amount of the Securities of the
  series which may be authenticated  and delivered under this Indenture  (except
  for Securities  authenticated  and delivered upon registration of transfer of,
  or in exchange for, or in lieu of, other  Securities of the series pursuant to
  Section  304,  305,  306,  906 or 1107 and  except for any  Securities  which,
  pursuant  to Section  303,  are deemed  never to have been  authenticated  and
  delivered hereunder);

    (3) the Person to whom any  interest  on a Security  of the series  shall be
  payable,  if other than the Person in whose name that Security (or one or more
  Predecessor  Securities) is registered at the close of business on the Regular
  Record Date for such interest;

    (4) the date or dates on which the principal of any Securities of the series
  is payable;

    (5) the rate or rates at which  any  Securities  of the  series  shall  bear
  interest, if any, the date or dates from which any such interest shall accrue,
  the Interest  Payment Dates on which any such interest  shall be payable,  the
  manner  (if any) of  determination  of such  Interest  Payment  Dates  and the
  Regular  Record Date for any such  interest  payable on any  Interest  Payment
  Date;

    (6) the  right,  if any,  to extend the  interest  payment  periods  and the
  duration of such extension;

    (7) the place or places where the  principal of and any premium and interest
  on any Securities of the series shall be payable;

    (8) the period or periods within which, the price or prices at which and the
  terms and conditions  upon which any Securities of the series may be redeemed,
  in whole or in part,  at the  option of the  Company  and,  if other than by a
  Board  Resolution,  the manner in which any  election by the Company to redeem
  the Securities shall be evidenced;

    (9) the  obligation,  if any,  of the  Company  to  redeem or  purchase  any
  Securities of the series pursuant to any sinking fund or analogous  provisions
  or at the option of the Holder thereof and the period or periods within which,
  the price or prices at which  and the  terms  and  conditions  upon  which any
  Securities of the series shall be redeemed or purchased,  in whole or in part,
  pursuant to such obligation;

    (10) if  other  than  denominations  of  $1,000  and any  integral  multiple
  thereof,  the  denominations  in which any  Securities  of the series shall be
  issuable;

    (11) if the  amount  of  principal  of or any  premium  or  interest  on any
  Securities  of the  series may be  determined  with  reference  to an index or
  pursuant to a formula, the manner in which such amounts shall be determined;

    (12) if other  than the  currency  of the  United  States  of  America,  the
  currency,  currencies  or  currency  units in which  the  principal  of or any
  premium or interest on any  Securities  of the series shall be payable and the
  manner of  determining  the  equivalent  thereof in the currency of the United
  States of America for any purpose, including for purposes of the definition of
  "Outstanding" in Section 101;

    (13) if the principal of or any premium or interest on any Securities of the
  series is to be payable, at the election of the Company or the Holder thereof,
  in one or more  currencies or currency units other than that or those in which
  such Securities are stated to be payable, the currency, currencies or currency
  units in which the principal of or any premium or interest on such  Securities
  as to which such election is made shall be payable,  the periods  within which
  and the terms and  conditions  upon which such  election is to be made and the
  amount so payable (or the manner in which such amount shall be determined);

    (14) if other than the entire principal  amount thereof,  the portion of the
  principal  amount of any  Securities of the series which shall be payable upon
  declaration of acceleration of the Maturity thereof pursuant to Section 502;

    (15)  if  the  principal  amount  payable  at  the  Stated  Maturity  of any
  Securities of the series will not be  determinable as of any one or more dates
  prior to the  Stated  Maturity,  the  amount  which  shall be deemed to be the
  principal  amount  of such  Securities  as of any such  date  for any  purpose
  thereunder or hereunder, including the principal amount thereof which shall be
  due and  payable  upon any  Maturity  other than the Stated  Maturity or which
  shall be deemed to be Outstanding as of any date prior to the Stated  Maturity
  (or,  in any such  case,  the  manner in which  such  amount  deemed to be the
  principal amount shall be determined);

    (16) if  applicable,  that the  Securities  of the  series,  in whole or any
  specified part,  shall be defeasible  pursuant to Section 1302 or Section 1303
  or both such Sections and, if other than by a Board Resolution,  the manner in
  which  any  election  by the  Company  to  defease  such  Securities  shall be
  evidenced;

    (17) if  applicable,  that any Securities of the series shall be issuable in
  whole or in part in the form of one or more  Global  Securities  and,  in such
  case, the respective Depositaries for such Global Securities,  the form of any
  legend or legends which shall be borne by any such Global Security in addition
  to or in lieu of that  set  forth  in  Section  204 and any  circumstances  in
  addition to or in lieu of those set forth in Clause (2) of the last  paragraph
  of Section 305 in which any such Global  Security may be exchanged in whole or
  in part for Securities registered, and any transfer of such Global Security in
  whole or in part may be registered, in the name or names of Persons other than
  the Depositary for such Global Security or a nominee thereof;

    (18) any addition to or change in the Events of Default which applies to any
  Securities  of the series  and any  change in the right of the  Trustee or the
  requisite  Holders of such Securities to declare the principal  amount thereof
  due and payable pursuant to Section 502;

    (19) any  addition  to or change in the  covenants  set forth in Article Ten
  which applies to Securities of the series; and

    (20) any other terms of the series  (which  terms shall not be  inconsistent
  with the provisions of this Indenture, except as permitted by Section 901(5)).

    All Securities of any one series shall be substantially  identical except as
to  denomination  and except as may  otherwise be provided in or pursuant to the
Board  Resolution  referred to above and (subject to Section 303) set forth,  or
determined  in the manner  provided,  in the Officers'  Certificate  referred to
above or in any such indenture supplemental hereto.

        If any of the  terms of the  series  are  established  by  action  taken
pursuant to a Board Resolution,  a copy of an appropriate  record of such action
shall be certified by the Secretary or an Assistant Secretary of the Company and
delivered  to  the  Trustee  at or  prior  to  the  delivery  of  the  Officers'
Certificate setting forth the terms of the series.


SECTION 302.  Denominations.

    The  Securities  of each series shall be issuable  only in fully  registered
form  without  coupons and only in such  denominations  as shall be specified as
contemplated  by Section 301. In the absence of any such specified  denomination
with respect to the  Securities  of any series,  the  Securities  of such series
shall be issuable in denominations of $1,000 and any integral multiple thereof.


SECTION 303.  Execution, Authentication, Delivery and Dating.

    The Securities shall be executed on behalf of the Company by its Chairman of
the Board,  its Vice  Chairman of the Board,  its  President  or one of its Vice
Presidents,  under  its  corporate  seal  reproduced  thereon  attested  by  its
Secretary or one of its  Assistant  Secretaries.  The  signature of any of these
officers on the Securities may be manual or facsimile.

    Securities  bearing the manual or facsimile  signatures of  individuals  who
were at any time the proper  officers  of the  Company  shall bind the  Company,
notwithstanding  that such  individuals  or any of them have ceased to hold such
offices prior to the  authentication  and delivery of such Securities or did not
hold such offices at the date of such Securities.

    At any time and from time to time after the  execution  and delivery of this
Indenture,  the  Company may deliver  Securities  of any series  executed by the
Company to the Trustee for authentication, together with a Company Order for the
authentication  and delivery of such  Securities,  and the Trustee in accordance
with the Company Order shall  authenticate and deliver such  Securities.  If the
form or terms of the  Securities  of the  series  have  been  established  by or
pursuant to one or more Board  Resolutions as permitted by Sections 201 and 301,
in authenticating such Securities, and accepting the additional responsibilities
under this  Indenture  in relation  to such  Securities,  the  Trustee  shall be
entitled to receive,  and (subject to Section  601) shall be fully  protected in
relying upon, an Opinion of Counsel stating,

    (1) if the form of such  Securities  has been  established by or pursuant to
  Board  Resolution  as  permitted  by  Section  201,  that  such  form has been
  established in conformity with the provisions of this Indenture;

    (2) if the terms of such Securities have been  established by or pursuant to
  Board  Resolution  as  permitted  by  Section  301,  that such terms have been
  established in conformity with the provisions of this Indenture; and

    (3) that such Securities,  when  authenticated  and delivered by the Trustee
  and  issued  by the  Company  in the  manner  and  subject  to any  conditions
  specified  in such  Opinion of  Counsel,  will  constitute  valid and  legally
  binding obligations of the Company enforceable in accordance with their terms,
  subject  to  bankruptcy,   insolvency,  fraudulent  transfer,  reorganization,
  moratorium and similar laws of general applicability  relating to or affecting
  creditors' rights and to general equity principles.

If such  form or terms  have  been so  established,  the  Trustee  shall  not be
required  to  authenticate  such  Securities  if the  issue  of such  Securities
pursuant to this  Indenture  will  affect the  Trustee's  own rights,  duties or
immunities  under the  Securities  and this  Indenture  or otherwise in a manner
which is not reasonably acceptable to the Trustee.

    Notwithstanding   the  provisions  of  Section  301  and  of  the  preceding
paragraph,  if all Securities of a series are not to be originally issued at one
time, it shall not be necessary to deliver the Officers'  Certificate  otherwise
required  pursuant to Section  301 or the  Company  Order and Opinion of Counsel
otherwise  required  pursuant  to such  preceding  paragraph  at or prior to the
authentication  of each Security of such series if such  documents are delivered
at or prior to the  authentication  upon original issuance of the first Security
of such series to be issued.

    Each Security shall be dated the date of its authentication.

    No Security  shall be entitled to any  benefit  under this  Indenture  or be
valid or  obligatory  for any purpose  unless there  appears on such  Security a
certificate  of  authentication  substantially  in the form  provided for herein
executed by the Trustee by manual signature of an authorized  officer,  and such
certificate  upon  any  Security  shall  be  conclusive  evidence,  and the only
evidence,   that  such  Security  has  been  duly  authenticated  and  delivered
hereunder.  Notwithstanding  the  foregoing,  if any  Security  shall  have been
authenticated and delivered  hereunder but never issued and sold by the Company,
and the Company shall deliver such Security to the Trustee for  cancellation  as
provided in Section 309, for all purposes of this  Indenture such Security shall
be deemed never to have been  authenticated  and  delivered  hereunder and shall
never be entitled to the benefits of this Indenture.


SECTION 304.  Temporary Securities.

    Pending the preparation of definitive  Securities of any series, the Company
may execute,  and upon Company Order the Trustee shall authenticate and deliver,
temporary Securities which are printed, lithographed,  typewritten, mimeographed
or otherwise  produced,  in any authorized  denomination,  substantially  of the
tenor of the  definitive  Securities  in lieu of which  they are issued and with
such appropriate  insertions,  omissions,  substitutions and other variations as
the officers  executing such  Securities  may  determine,  as evidenced by their
execution of such Securities.

    If  temporary  Securities  of any series are issued,  the Company will cause
definitive  Securities of that series to be prepared without unreasonable delay.
After the  preparation  of definitive  Securities of such series,  the temporary
Securities of such series shall be  exchangeable  for  definitive  Securities of
such series upon  surrender of the  temporary  Securities  of such series at the
office or agency of the Company in a Place of Payment for that  series,  without
charge  to the  Holder.  Upon  surrender  for  cancellation  of any  one or more
temporary  Securities  of any series,  the Company shall execute and the Trustee
shall  authenticate  and deliver in  exchange  therefor  one or more  definitive
Securities of the same series, of any authorized denominations and of like tenor
and aggregate principal amount. Until so exchanged,  the temporary Securities of
any series  shall in all  respects be entitled to the same  benefits  under this
Indenture as definitive Securities of such series and tenor.


SECTION 305.  Registration, Registration of Transfer and Exchange.

    The Company  shall  cause to be kept at the  Corporate  Trust  Office of the
Trustee a  register  (the  register  maintained  in such  office or in any other
office or agency of the  Company in a Place of Payment  being  herein  sometimes
referred to as the  "Security  Register") in which,  subject to such  reasonable
regulations as it may prescribe,  the Company shall provide for the registration
of Securities  and of transfers of Securities.  The Trustee is hereby  appointed
"Security Registrar" for the purpose of registering  Securities and transfers of
Securities as herein provided.

    Upon surrender for  registration  of transfer of any Security of a series at
the office or agency of the Company in a Place of Payment for that  series,  the
Company shall execute,  and the Trustee shall  authenticate and deliver,  in the
name of the designated transferee or transferees,  one or more new Securities of
the same series, of any authorized denominations and of like tenor and aggregate
principal amount.

    At the option of the Holder,  Securities  of any series may be exchanged for
other Securities of the same series, of any authorized denominations and of like
tenor and aggregate  principal  amount,  upon  surrender of the Securities to be
exchanged at such office or agency.  Whenever any  Securities are so surrendered
for exchange,  the Company shall execute, and the Trustee shall authenticate and
deliver,  the  Securities  which the Holder  making the  exchange is entitled to
receive.

    All  Securities  issued  upon any  registration  of  transfer or exchange of
Securities  shall be the valid  obligations of the Company,  evidencing the same
debt, and entitled to the same benefits under this Indenture,  as the Securities
surrendered upon such registration of transfer or exchange.

    Every Security  presented or surrendered for registration of transfer or for
exchange  shall (if so required by the Company or the Trustee) be duly endorsed,
or be accompanied by a written  instrument of transfer in form  satisfactory  to
the Company and the Security  Registrar duly executed,  by the Holder thereof or
his attorney duly authorized in writing.

    No service charge shall be made for any registration of transfer or exchange
of Securities,  but the Company may require payment of a sum sufficient to cover
any tax or other governmental  charge that may be imposed in connection with any
registration  of  transfer  or  exchange  of  Securities,  other than  exchanges
pursuant to Section 304, 906 or 1107 not involving any transfer.

    If the  Securities of any series (or of any series and specified  tenor) are
to be redeemed,  the Company  shall not be required  (A) to issue,  register the
transfer of or  exchange  any  Securities  of that series (or of that series and
specified tenor, as the case may be) during a period beginning at the opening of
business 15 days before the day of the mailing of a notice of  redemption of any
such  Securities  selected for redemption and ending at the close of business on
the day of such  mailing,  or (B) to register  the  transfer of or exchange  any
Security so selected for  redemption in whole or in part,  except the unredeemed
portion of any Security being redeemed in part.

    The  provisions  of Clauses (1),  (2), (3) and (4) below shall apply only to
Global Securities:

    (1)  Each  Global  Security  authenticated  under  this  Indenture  shall be
  registered in the name of the Depositary  designated for such Global  Security
  or a nominee  thereof and delivered to such Depositary or a nominee thereof or
  custodian  therefor,  and each such Global Security shall  constitute a single
  Security for all purposes of this Indenture.

    (2)  Notwithstanding  any  other  provision  in this  Indenture,  no  Global
  Security may be exchanged in whole or in part for Securities  registered,  and
  no transfer of a Global Security in whole or in part may be registered, in the
  name of any Person  other than the  Depositary  for such Global  Security or a
  nominee  thereof unless (A) such  Depositary (i) has notified the Company that
  it is unwilling or unable to continue as Depositary  for such Global  Security
  or (ii) has ceased to be a clearing agency  registered under the Exchange Act,
  (B) there  shall have  occurred  and be  continuing  an Event of Default  with
  respect to such Global  Security or (C) there shall exist such  circumstances,
  if any, in addition to or in lieu of the foregoing as have been  specified for
  this purpose as contemplated by Section 301.

    (3) Subject to Clause (2) above, any exchange of a Global Security for other
  Securities  may be made in whole  or in part,  and all  Securities  issued  in
  exchange for a Global  Security or any portion  thereof shall be registered in
  such names as the Depositary for such Global Security shall direct.

    (4) Every Security authenticated and delivered upon registration of transfer
  of,  or in  exchange  for or in lieu  of,  a Global  Security  or any  portion
  thereof,  whether  pursuant to this Section,  Section 304, 306, 906 or 1107 or
  otherwise,  shall be authenticated and delivered in the form of, and shall be,
  a Global Security,  unless such Security is registered in the name of a Person
  other than the Depositary for such Global Security or a nominee thereof.


SECTION 306.  Mutilated, Destroyed, Lost and Stolen Securities.

    If any mutilated  Security is surrendered to the Trustee,  the Company shall
execute and the Trustee shall  authenticate  and deliver in exchange  therefor a
new  Security  of the same  series  and of like tenor and  principal  amount and
bearing a number not contemporaneously outstanding.

    If there shall be  delivered  to the Company and the Trustee (i) evidence to
their  satisfaction of the  destruction,  loss or theft of any Security and (ii)
such  security or  indemnity as may be required by them to save each of them and
any agent of either of them  harmless,  then,  in the  absence  of notice to the
Company or the  Trustee  that such  Security  has been  acquired  by a bona fide
purchaser,  the Company  shall execute and the Trustee  shall  authenticate  and
deliver, in lieu of any such destroyed,  lost or stolen Security, a new Security
of the same series and of like tenor and  principal  amount and bearing a number
not contemporaneously outstanding.

    In case any such mutilated, destroyed, lost or stolen Security has become or
is about to become due and payable,  the Company in its discretion may,  instead
of issuing a new Security, pay such Security.

    Upon the issuance of any new Security  under this  Section,  the Company may
require the payment of a sum  sufficient to cover any tax or other  governmental
charge that may be imposed in relation thereto and any other expenses (including
the fees and expenses of the Trustee) connected therewith.

    Every new Security of any series issued  pursuant to this Section in lieu of
any destroyed,  lost or stolen Security shall constitute an original  additional
contractual  obligation of the Company,  whether or not the  destroyed,  lost or
stolen  Security  shall be at any  time  enforceable  by  anyone,  and  shall be
entitled to all the benefits of this Indenture equally and proportionately  with
any and all other Securities of that series duly issued hereunder.

    The  provisions  of this Section are  exclusive  and shall  preclude (to the
extent lawful) all other rights and remedies with respect to the  replacement or
payment of mutilated, destroyed, lost or stolen Securities.


SECTION 307.  Payment of Interest; Interest Rights Preserved.

    Except as otherwise  provided as contemplated by Section 301 with respect to
any series of  Securities,  interest on any  Security  which is payable,  and is
punctually paid or duly provided for, on any Interest Payment Date shall be paid
to  the  Person  in  whose  name  that  Security  (or  one or  more  Predecessor
Securities)  is registered  at the close of business on the Regular  Record Date
for such interest.  

    Any  interest  on any  Security of any series  which is payable,  but is not
punctually  paid or duly  provided  for, on any  Interest  Payment  Date (herein
called  "Defaulted  Interest") shall forthwith cease to be payable to the Holder
on the relevant  Regular  Record Date by virtue of having been such Holder,  and
such  Defaulted  Interest  may be paid by the  Company,  at its election in each
case, as provided in Clause (1) or (2) below:

    (1) The Company may elect to make payment of any  Defaulted  Interest to the
  Persons in whose  names the  Securities  of such  series (or their  respective
  Predecessor  Securities)  are registered at the close of business on a Special
  Record Date for the payment of such Defaulted  Interest,  which shall be fixed
  in the  following  manner.  The Company shall notify the Trustee in writing of
  the amount of Defaulted  Interest proposed to be paid on each Security of such
  series and the date of the proposed payment,  and at the same time the Company
  shall  deposit  with the  Trustee  an amount of money  equal to the  aggregate
  amount proposed to be paid in respect of such Defaulted Interest or shall make
  arrangements satisfactory to the Trustee for such deposit prior to the date of
  the proposed  payment,  such money when  deposited to be held in trust for the
  benefit of the Persons  entitled to such Defaulted  Interest as in this Clause
  provided.  Thereupon  the  Trustee  shall  fix a Special  Record  Date for the
  payment of such  Defaulted  Interest  which shall be not more than 15 days and
  not less than 10 days prior to the date of the  proposed  payment and not less
  than 10 days after the  receipt by the  Trustee of the notice of the  proposed
  payment.  The Trustee shall promptly notify the Company of such Special Record
  Date and, in the name and at the expense of the Company, shall cause notice of
  the proposed  payment of such  Defaulted  Interest and the Special Record Date
  therefor to be given to each Holder of Securities of such series in the manner
  set forth in Section 106,  not less than 10 days prior to such Special  Record
  Date.  Notice of the  proposed  payment  of such  Defaulted  Interest  and the
  Special Record Date therefor  having been so mailed,  such Defaulted  Interest
  shall be paid to the Persons in whose names the  Securities of such series (or
  their  respective  Predecessor  Securities)  are  registered  at the  close of
  business on such Special  Record Date and shall no longer be payable  pursuant
  to the following Clause (2).

    (2) The Company may make payment of any Defaulted Interest on the Securities
  of  any  series  in  any  other  lawful  manner  not  inconsistent   with  the
  requirements  of any  securities  exchange  on which  such  Securities  may be
  listed,  and upon such notice as may be required by such  exchange,  if, after
  notice given by the Company to the Trustee of the proposed payment pursuant to
  this  Clause,  such  manner  of  payment  shall be deemed  practicable  by the
  Trustee.

    Subject to the foregoing provisions of this Section, each Security delivered
under this Indenture upon  registration  of transfer of or in exchange for or in
lieu of any other  Security  shall  carry the  rights to  interest  accrued  and
unpaid, and to accrue, which were carried by such other Security.


SECTION 308.  Persons Deemed Owners.

      Prior to due presentment of a Security for  registration of transfer,  the
Company,  the  Trustee and any agent of the Company or the Trustee may treat the
Person in whose name such  Security is  registered as the owner of such Security
for the  purpose  of  receiving  payment of  principal  of and any  premium  and
(subject  to  Section  307) any  interest  on such  Security  and for all  other
purposes  whatsoever,  whether or not such Security be overdue,  and neither the
Company,  the  Trustee  nor any agent of the  Company  or the  Trustee  shall be
affected by notice to the contrary.


SECTION 309.  Cancellation.

    All Securities surrendered for payment, redemption, registration of transfer
or exchange or for credit against any sinking fund payment shall, if surrendered
to any Person other than the  Trustee,  be delivered to the Trustee and shall be
promptly cancelled by it. The Company may at any time deliver to the Trustee for
cancellation any Securities  previously  authenticated  and delivered  hereunder
which the Company may have acquired in any manner whatsoever, and may deliver to
the  Trustee  (or  to  any  other  Person  for  delivery  to  the  Trustee)  for
cancellation any Securities previously authenticated hereunder which the Company
has not issued and sold,  and all  Securities  so  delivered  shall be  promptly
cancelled by the Trustee.  No Securities shall be authenticated in lieu of or in
exchange for any  Securities  cancelled as provided in this  Section,  except as
expressly  permitted by this  Indenture.  All cancelled  Securities  held by the
Trustee shall be disposed of as directed by a Company Order; provided,  however,
that the Trustee shall not be required to destroy such cancelled Securities.


SECTION 310.  Computation of Interest.

    Except as otherwise  specified as contemplated by Section 301 for Securities
of any series,  interest on the  Securities  of each series shall be computed on
the basis of a 360-day year of twelve 30-day months.


SECTION 311.  CUSIP Numbers.

    The  Company in issuing  the  Securities  may use  "CUSIP"  numbers (if then
generally in use),  and, if so, the Trustee shall use "CUSIP" numbers in notices
of  redemption as a  convenience  to Holders;  provided that any such notice may
state  that no  representation  is made as to the  correctness  of such  numbers
either  as  printed  on  the  Securities  or as  contained  in any  notice  of a
redemption  and that  reliance  may be placed  only on the other  identification
numbers printed on the Securities, and any such redemption shall not be affected
by any defect in or omission of such numbers.


                                  ARTICLE FOUR

                           SATISFACTION AND DISCHARGE


SECTION 401.  Satisfaction and Discharge of Indenture.

    This  Indenture  shall upon Company  Request  cease to be of further  effect
(except as to any surviving  rights of  registration  of transfer or exchange of
Securities  herein expressly  provided for), and the Trustee,  at the expense of
the Company,  shall execute proper  instruments  acknowledging  satisfaction and
discharge of this Indenture, when

    (1) either

      (A) all Securities theretofore authenticated and delivered (other than (i)
    Securities  which  have been  destroyed,  lost or stolen and which have been
    replaced or paid as provided  in Section 306 and (ii)  Securities  for whose
    payment money has theretofore been deposited in trust or segregated and held
    in trust by the Company and  thereafter  repaid to the Company or discharged
    from such trust,  as provided in Section  1003) have been  delivered  to the
    Trustee for cancellation; or

      (B) all such  Securities  not  theretofore  delivered  to the  Trustee for
    cancellation

        (i)  have become due and payable, or

        (ii) will become due and  payable at their  Stated  Maturity  within one
             year, 
      or

        (iii)are to be called for redemption within one year under  arrangements
             satisfactory  to the Trustee for the giving of notice of redemption
             by the Trustee in the name, and at the expense, of the Company,

      and the Company, in the case of (i), (ii) or (iii) above, has deposited or
      caused to be  deposited  with the  Trustee as trust funds in trust for the
      purpose  money in an amount  sufficient  to pay and  discharge  the entire
      indebtedness on such  Securities not theretofore  delivered to the Trustee
      for  cancellation,  for principal and any premium and interest to the date
      of such  deposit  (in the case of  Securities  which  have  become due and
      payable) or to the Stated Maturity or Redemption Date, as the case may be;

    (2) the  Company  has paid or  caused  to be paid  all  other  sums  payable
  hereunder by the Company; and

    (3) the Company has delivered to the Trustee an Officers' Certificate and an
  Opinion of Counsel, each stating that all conditions precedent herein provided
  for relating to the  satisfaction  and discharge of this  Indenture  have been
  complied with.

    Notwithstanding  the  satisfaction  and  discharge  of this  Indenture,  the
obligations of the Company to the Trustee under Section 607, the  obligations of
the Company to any  Authenticating  Agent under  Section 614 and, if money shall
have been deposited with the Trustee  pursuant to subclause (B) of Clause (1) of
this  Section,  the  obligations  of the Trustee  under Section 402 and the last
paragraph of Section 1003 shall survive.


SECTION 402.  Application of Trust Money.

    Subject to the  provisions of the last  paragraph of Section 1003, all money
deposited  with the  Trustee  pursuant to Section 401 shall be held in trust and
applied by it, in  accordance  with the  provisions of the  Securities  and this
Indenture,  to  the  payment,  either  directly  or  through  any  Paying  Agent
(including  the  Company  acting as its own  Paying  Agent) as the  Trustee  may
determine, to the Persons entitled thereto, of the principal and any premium and
interest for whose payment such money has been deposited with the Trustee.


                                  ARTICLE FIVE

                                    REMEDIES


SECTION 501.  Events of Default.

    "Event of Default",  wherever  used herein with respect to Securities of any
series,  means any one of the  following  events  (whatever  the reason for such
Event of Default and whether it shall be voluntary or involuntary or be effected
by operation of law or pursuant to any judgment, decree or order of any court or
any order, rule or regulation of any administrative or governmental body):

    (1) default in the payment of any interest  upon any Security of that series
  when it becomes due and payable,  and continuance of such default for a period
  of 30 days; or

    (2)  default  in the  payment  of the  principal  of or any  premium  on any
  Security of that series at its Maturity; or

    (3) default in the deposit of any sinking fund  payment,  when and as due by
  the terms of a Security of that series; or

    (4) default in the  performance,  or breach,  of any covenant or warranty of
  the Company in this Indenture  (other than a covenant or warranty a default in
  whose  performance  or whose breach is elsewhere in this Section  specifically
  dealt with or which has expressly been included in this  Indenture  solely for
  the benefit of series of Securities  other than that series),  and continuance
  of such  default or breach for a period of 90 days after there has been given,
  by  registered  or  certified  mail,  to the  Company by the Trustee or to the
  Company and the Trustee by the Holders of at least 25% in principal  amount of
  the  Outstanding  Securities of that series a written notice  specifying  such
  default or breach and requiring it to be remedied and stating that such notice
  is a "Notice of Default" hereunder; or

    (5) the entry by a court having jurisdiction in the premises of (A) a decree
  or order for  relief in  respect  of the  Company  in an  involuntary  case or
  proceeding  under any  applicable  Federal  or State  bankruptcy,  insolvency,
  reorganization  or other  similar law or (B) a decree or order  adjudging  the
  Company a bankrupt or  insolvent,  or approving  as properly  filed a petition
  seeking  reorganization,  arrangement,  adjustment  or  composition  of  or in
  respect  of the  Company  under  any  applicable  Federal  or  State  law,  or
  appointing a custodian, receiver, liquidator,  assignee, trustee, sequestrator
  or other  similar  official of the Company or of any  substantial  part of its
  property,  or ordering the winding up or liquidation  of its affairs,  and the
  continuance of any such decree or order for relief or any such other decree or
  order unstayed and in effect for a period of 90 consecutive days; or

    (6) the  commencement by the Company of a voluntary case or proceeding under
  any applicable  Federal or State  bankruptcy,  insolvency,  reorganization  or
  other  similar  law or of any other case or  proceeding  to be  adjudicated  a
  bankrupt or insolvent,  or the consent by it to the entry of a decree or order
  for relief in respect of the  Company  in an  involuntary  case or  proceeding
  under any applicable Federal or State bankruptcy,  insolvency,  reorganization
  or other similar law or to the  commencement  of any  bankruptcy or insolvency
  case or proceeding  against it, or the filing by it of a petition or answer or
  consent seeking reorganization or relief under any applicable Federal or State
  law, or the consent by it to the filing of such petition or to the appointment
  of or  taking  possession  by a  custodian,  receiver,  liquidator,  assignee,
  trustee,  sequestrator  or other  similar  official  of the  Company or of any
  substantial part of its property, or the making by it of an assignment for the
  benefit of  creditors,  or the  admission by it in writing of its inability to
  pay its debts generally as they become due, or the taking of corporate  action
  by the Company in furtherance of any such action; or

    (7) any other Event of Default  provided  with respect to Securities of that
  series.


SECTION 502.  Acceleration of Maturity; Rescission and Annulment.

    If an Event of Default (other than an Event of Default  specified in Section
501(5)  or  501(6))  with  respect  to  Securities  of any  series  at the  time
Outstanding occurs and is continuing, then in every such case the Trustee or the
Holders of not less than 25% in principal  amount of the Outstanding  Securities
of that series may declare the  principal  amount of all the  Securities of that
series  (or,  if any  Securities  of that  series are  Original  Issue  Discount
Securities,  such portion of the principal  amount of such  Securities as may be
specified by the terms thereof) to be due and payable  immediately,  by a notice
in writing to the Company (and to the Trustee if given by Holders), and upon any
such  declaration  such  principal  amount (or  specified  amount)  shall become
immediately due and payable.  If an Event of Default specified in Section 501(5)
or 501(6)  with  respect to  Securities  of any  series at the time  Outstanding
occurs,  the principal  amount of all the  Securities of that series (or, if any
Securities of that series are Original Issue Discount  Securities,  such portion
of the  principal  amount of such  Securities  as may be  specified by the terms
thereof) shall automatically, and without any declaration or other action on the
part of the Trustee or any Holder, become immediately due and payable.

    At any time  after  such a  declaration  of  acceleration  with  respect  to
Securities  of any  series  has been made and  before a  judgment  or decree for
payment of the money due has been obtained by the Trustee as hereinafter in this
Article  provided,  the  Holders  of a  majority  in  principal  amount  of  the
Outstanding  Securities of that series, by written notice to the Company and the
Trustee, may rescind and annul such declaration and its consequences if

    (1) the Company has paid or deposited  with the Trustee a sum  sufficient to
    pay

       (A) all overdue interest on all Securities of that series,

       (B) the  principal of (and  premium,  if any, on) any  Securities of that
    series  which  have  become  due  otherwise  than  by  such  declaration  of
    acceleration  and any  interest  thereon  at the  rate or  rates  prescribed
    therefor in such Securities,

       (C) to the extent that payment of such interest is lawful,  interest upon
    overdue  interest  at  the  rate  or  rates  prescribed   therefor  in  such
    Securities, and

       (D) all sums paid or advanced by the Trustee hereunder and the reasonable
    compensation,  expenses,  disbursements  and  advances of the  Trustee,  its
    agents and counsel;

    and

    (2) all Events of Default with respect to Securities  of that series,  other
    than the  non-payment  of the  principal of  Securities of that series which
    have become due solely by such declaration of acceleration,  have been cured
    or waived as provided in Section 513.

No such  rescission  shall  affect  any  subsequent  default or impair any right
consequent thereon.


SECTION 503.  Collection of Indebtedness and Suits for Enforcement by Trustee.

       The Company covenants that if

       (1) default is made in the payment of any interest on any  Security  when
    such  interest  becomes  due and payable and such  default  continues  for a
    period of 30 days, or

       (2) default is made in the payment of the  principal of (or  premium,  if
    any, on) any Security at the Maturity thereof,

the Company will, upon demand of the Trustee,  pay to it, for the benefit of the
Holders  of such  Securities,  the whole  amount  then due and  payable  on such
Securities  for  principal  and any premium and interest and, to the extent that
payment of such interest shall be legally  enforceable,  interest on any overdue
principal  and  premium  and on any  overdue  interest,  at the  rate  or  rates
prescribed therefor in such Securities,  and, in addition thereto,  such further
amount as shall be  sufficient  to cover the costs and  expenses of  collection,
including the reasonable compensation,  expenses,  disbursements and advances of
the Trustee, its agents and counsel.

    If an Event of Default with respect to  Securities  of any series occurs and
is continuing,  the Trustee may in its discretion proceed to protect and enforce
its rights and the rights of the  Holders of  Securities  of such series by such
appropriate  judicial  proceedings  as the Trustee shall deem most  effectual to
protect and enforce any such rights, whether for the specific enforcement of any
covenant or agreement  in this  Indenture or in aid of the exercise of any power
granted herein, or to enforce any other proper remedy.


SECTION 504.  Trustee May File Proofs of Claim.

    In case of any  judicial  proceeding  relative  to the Company (or any other
obligor upon the Securities),  its property or its creditors,  the Trustee shall
be entitled and empowered,  by intervention in such proceeding or otherwise,  to
take any and all actions  authorized  under the Trust  Indenture Act in order to
have claims of the Holders and the Trustee  allowed in any such  proceeding.  In
particular, the Trustee shall be authorized to collect and receive any moneys or
other  property  payable or deliverable on any such claims and to distribute the
same; and any custodian,  receiver, assignee, trustee, liquidator,  sequestrator
or other similar official in any such judicial  proceeding is hereby  authorized
by each Holder to make such  payments to the Trustee  and, in the event that the
Trustee shall consent to the making of such payments directly to the Holders, to
pay to the Trustee any amount due it for the reasonable compensation,  expenses,
disbursements and advances of the Trustee, its agents and counsel, and any other
amounts due the Trustee under Section 607.

    No provision of this  Indenture  shall be deemed to authorize the Trustee to
authorize  or  consent to or accept or adopt on behalf of any Holder any plan of
reorganization,  arrangement, adjustment or composition affecting the Securities
or the  rights of any  Holder  thereof or to  authorize  the  Trustee to vote in
respect of the claim of any Holder in any such  proceeding;  provided,  however,
that the  Trustee  may,  on behalf of the  Holders,  vote for the  election of a
trustee in  bankruptcy  or similar  official and be a member of a creditors'  or
other similar committee.


SECTION 505.  Trustee May Enforce Claims Without Possession of Securities.

    All rights of action and claims under this  Indenture or the  Securities may
be prosecuted  and enforced by the Trustee  without the possession of any of the
Securities or the production thereof in any proceeding relating thereto, and any
such  proceeding  instituted  by the Trustee shall be brought in its own name as
trustee of an express trust, and any recovery of judgment shall, after provision
for the payment of the  reasonable  compensation,  expenses,  disbursements  and
advances of the Trustee,  its agents and counsel,  be for the ratable benefit of
the  Holders  of the  Securities  in respect  of which  such  judgment  has been
recovered.


SECTION 506.  Application of Money Collected.

    Any money collected by the Trustee pursuant to this Article shall be applied
in the following  order,  at the date or dates fixed by the Trustee and, in case
of the  distribution  of such money on account of  principal  or any  premium or
interest,  upon  presentation of the Securities and the notation  thereon of the
payment if only partially paid and upon surrender thereof if fully paid:

    FIRST: To the payment of all amounts due the Trustee under Section 607;

    SECOND:  To the payment of the amounts then due and unpaid for  principal of
  and any premium and interest on the  Securities in respect of which or for the
  benefit of which such money has been collected, ratably, without preference or
  priority  of any  kind,  according  to the  amounts  due and  payable  on such
  Securities for principal and any premium and interest, respectively; and

    THIRD:  To the payment of the  balance,  if any, to the Company or any other
  Person or Persons legally entitled thereto.


SECTION 507.  Limitation on Suits.

    No Holder of any  Security of any series  shall have any right to  institute
any proceeding,  judicial or otherwise,  with respect to this Indenture,  or for
the  appointment  of a receiver or trustee,  or for any other remedy  hereunder,
unless

    (1) such  Holder has  previously  given  written  notice to the Trustee of a
  continuing Event of Default with respect to the Securities of that series;

    (2) the Holders of not less than 25% in principal  amount of the Outstanding
  Securities  of that series shall have made  written  request to the Trustee to
  institute  proceedings  in respect of such Event of Default in its own name as
  Trustee hereunder;

    (3) such Holder or Holders have offered to the Trustee reasonable  indemnity
  against the costs,  expenses and liabilities to be incurred in compliance with
  such request;

    (4) the Trustee for 60 days after its  receipt of such  notice,  request and
  offer of indemnity has failed to institute any such proceeding; and

    (5) no direction  inconsistent  with such written  request has been given to
  the  Trustee  during  such  60-day  period by the  Holders  of a  majority  in
  principal amount of the Outstanding Securities of that series;

it being  understood and intended that no one or more of such Holders shall have
any right in any manner  whatever by virtue of, or by availing of, any provision
of this  Indenture to affect,  disturb or  prejudice  the rights of any other of
such Holders,  or to obtain or to seek to obtain priority or preference over any
other of such  Holders or to enforce any right under this  Indenture,  except in
the manner herein  provided and for the equal and ratable benefit of all of such
Holders.


SECTION 508.  Unconditional Right of Holders to Receive Principal,
  Premium and Interest.

    Notwithstanding  any other  provision in this  Indenture,  the Holder of any
Security shall have the right, which is absolute and  unconditional,  to receive
payment of the  principal  of and any  premium  and  (subject  to  Section  307)
interest on such Security on the respective Stated Maturities  expressed in such
Security  (or,  in the  case  of  redemption,  on the  Redemption  Date)  and to
institute suit for the  enforcement  of any such payment,  and such rights shall
not be impaired without the consent of such Holder.


SECTION 509.  Restoration of Rights and Remedies.

    If the Trustee or any Holder has  instituted  any  proceeding to enforce any
right or remedy under this Indenture and such  proceeding has been  discontinued
or abandoned for any reason, or has been determined  adversely to the Trustee or
to such Holder,  then and in every such case,  subject to any  determination  in
such  proceeding,  the  Company,  the Trustee and the Holders  shall be restored
severally and  respectively to their former  positions  hereunder and thereafter
all rights and remedies of the Trustee and the Holders shall  continue as though
no such proceeding had been instituted.


SECTION 510.  Rights and Remedies Cumulative.

    Except as otherwise  provided with respect to the  replacement or payment of
mutilated, destroyed, lost or stolen Securities in the last paragraph of Section
306, no right or remedy herein  conferred  upon or reserved to the Trustee or to
the Holders is intended to be exclusive of any other right or remedy,  and every
right and remedy shall,  to the extent  permitted by law, be  cumulative  and in
addition to every other right and remedy  given  hereunder  or now or  hereafter
existing at law or in equity or  otherwise.  The  assertion or employment of any
right or remedy  hereunder,  or  otherwise,  shall not  prevent  the  concurrent
assertion or employment of any other appropriate right or remedy.


SECTION 511.  Delay or Omission Not Waiver.

    No delay or omission of the  Trustee or of any Holder of any  Securities  to
exercise any right or remedy accruing upon any Event of Default shall impair any
such right or remedy or  constitute  a waiver of any such Event of Default or an
acquiescence therein.  Every right and remedy given by this Article or by law to
the Trustee or to the Holders may be exercised  from time to time,  and as often
as may be deemed  expedient,  by the Trustee or by the Holders,  as the case may
be.


SECTION 512.  Control by Holders.

    The Holders of a majority in principal amount of the Outstanding  Securities
of any  series  shall  have the right to direct  the time,  method  and place of
conducting any proceeding for any remedy available to the Trustee, or exercising
any trust or power  conferred on the Trustee,  with respect to the Securities of
such series, provided that

    (1) such  direction  shall not be in  conflict  with any rule of law or with
  this Indenture,

    (2) the Trustee may take any other action deemed proper by the Trustee which
  is not inconsistent with such direction, and

    (3) subject to the  provisions  of Section 601,  the Trustee  shall have the
  right to  decline to follow any such  direction  if the  Trustee in good faith
  shall, by a Responsible Officer or Officers of the Trustee, determine that the
  proceeding so directed would involve the Trustee in personal liability.


SECTION 513.  Waiver of Past Defaults.

    The  Holders  of not  less  than  a  majority  in  principal  amount  of the
Outstanding  Securities  of any series  may on behalf of the  Holders of all the
Securities of such series waive any past default  hereunder with respect to such
series and its consequences, except a default

    (1) in the  payment of the  principal  of or any  premium or interest on any
  Security of such series, or

    (2) in respect of a covenant or provision  hereof  which under  Article Nine
  cannot be  modified  or  amended  without  the  consent  of the Holder of each
  Outstanding Security of such series affected.

    Upon any such waiver,  such default  shall cease to exist,  and any Event of
Default arising  therefrom shall be deemed to have been cured, for every purpose
of this  Indenture;  but no such waiver shall extend to any  subsequent or other
default or impair any right consequent thereon.


SECTION 514.  Undertaking for Costs.

    In any suit for the enforcement of any right or remedy under this Indenture,
or in any suit against the Trustee for any action taken,  suffered or omitted by
it as Trustee,  a court may  require any party  litigant in such suit to file an
undertaking to pay the costs of such suit, and may assess costs against any such
party litigant,  in the manner and to the extent provided in the Trust Indenture
Act;  provided  that neither this Section nor the Trust  Indenture  Act shall be
deemed to authorize any court to require such an  undertaking or to make such an
assessment in any suit instituted by the Company or the Trustee.


SECTION 515.  Waiver of Usury, Stay or Extension Laws.

    The Company  covenants  (to the extent  that it may  lawfully do so) that it
will not at any time insist upon, or plead, or in any manner whatsoever claim or
take the benefit or  advantage  of, any usury,  stay or  extension  law wherever
enacted,  now or at any time hereafter in force,  which may affect the covenants
or the performance of this Indenture; and the Company (to the extent that it may
lawfully do so) hereby expressly waives all benefit or advantage of any such law
and  covenants  that it will not hinder,  delay or impede the  execution  of any
power herein granted to the Trustee, but will suffer and permit the execution of
every such power as though no such law had been enacted.


                                  ARTICLE SIX

                                  THE TRUSTEE


SECTION 601.  Certain Duties and Responsibilities.

    The duties and  responsibilities  of the Trustee shall be as provided by the
Trust  Indenture  Act.  Notwithstanding  the  foregoing,  no  provision  of this
Indenture shall require the Trustee to expend or risk its own funds or otherwise
incur any financial liability in the performance of any of its duties hereunder,
or in the exercise of any of its rights or powers,  if it shall have  reasonable
grounds for believing that repayment of such funds or adequate indemnity against
such risk or liability is not  reasonably  assured to it. Whether or not therein
expressly so provided, every provision of this Indenture relating to the conduct
or affecting  the  liability of or affording  protection to the Trustee shall be
subject to the provisions of this Section.


SECTION 602.  Notice of Defaults.

    If a default occurs hereunder with respect to Securities of any series,  the
Trustee  shall give the  Holders of  Securities  of such  series  notice of such
default as and to the extent  provided  by the Trust  Indenture  Act;  provided,
however,  that in the case of any default of the character  specified in Section
501(4) with  respect to  Securities  of such  series,  no such notice to Holders
shall be given  until at least 30 days  after the  occurrence  thereof.  For the
purpose of this Section,  the term "default"  means any event which is, or after
notice or lapse of time or both would  become,  an Event of Default with respect
to Securities of such series.


SECTION 603.  Certain Rights of Trustee.

    Subject to the provisions of Section 601:

    (1) the Trustee may rely and shall be protected in acting or refraining from
  acting  upon any  resolution,  certificate,  statement,  instrument,  opinion,
  report, notice, request,  direction,  consent,  order, bond, debenture,  note,
  other evidence of indebtedness or other paper or document believed by it to be
  genuine and to have been signed or presented by the proper party or parties;

    (2) any  request or  direction  of the  Company  mentioned  herein  shall be
  sufficiently  evidenced  by a  Company  Request  or  Company  Order,  and  any
  resolution  of the Board of  Directors  shall be  sufficiently  evidenced by a
  Board Resolution;

    (3) whenever in the  administration of this Indenture the Trustee shall deem
  it desirable that a matter be proved or established prior to taking, suffering
  or omitting any action hereunder, the Trustee (unless other evidence be herein
  specifically  prescribed)  may, in the absence of bad faith on its part,  rely
  upon an Officers' Certificate;

    (4) the Trustee may consult with counsel of its  selection and the advice of
  such   counsel  or  any  Opinion  of  Counsel   shall  be  full  and  complete
  authorization  and  protection  in respect of any action  taken,  suffered  or
  omitted by it hereunder in good faith and in reliance thereon;

    (5) the Trustee  shall be under no  obligation to exercise any of the rights
  or powers vested in it by this Indenture at the request or direction of any of
  the Holders pursuant to this Indenture, unless such Holders shall have offered
  to the Trustee  reasonable  security or indemnity against the costs,  expenses
  and liabilities  which might be incurred by it in compliance with such request
  or direction;

    (6) the Trustee shall not be bound to make any investigation  into the facts
  or  matters  stated in any  resolution,  certificate,  statement,  instrument,
  opinion, report, notice, request, direction,  consent, order, bond, debenture,
  note,  other  evidence of  indebtedness  or other paper or  document,  but the
  Trustee,  in its discretion,  may make such further  inquiry or  investigation
  into such  facts or  matters  as it may see fit,  and,  if the  Trustee  shall
  determine to make such further inquiry or investigation,  it shall be entitled
  to examine the books,  records and premises of the Company,  personally  or by
  agent or attorney; and

    (7) the Trustee may execute any of the trusts or powers hereunder or perform
  any duties  hereunder either directly or by or through agents or attorneys and
  the Trustee shall not be  responsible  for any misconduct or negligence on the
  part of any agent or attorney appointed with due care by it hereunder.


SECTION 604.  Not Responsible for Recitals or Issuance of Securities.

    The recitals  contained  herein and in the Securities,  except the Trustee's
certificates of authentication, shall be taken as the statements of the Company,
and neither the Trustee nor any Authenticating  Agent assumes any responsibility
for their  correctness.  The Trustee makes no representations as to the validity
or sufficiency of this Indenture or of the  Securities.  Neither the Trustee nor
any Authenticating  Agent shall be accountable for the use or application by the
Company of Securities or the proceeds thereof.


SECTION 605.  May Hold Securities.

    The  Trustee,  any  Authenticating  Agent,  any Paying  Agent,  any Security
Registrar  or any other agent of the  Company,  in its  individual  or any other
capacity, may become the owner or pledgee of Securities and, subject to Sections
608 and 613, may  otherwise  deal with the Company with the same rights it would
have if it were  not  Trustee,  Authenticating  Agent,  Paying  Agent,  Security
Registrar or such other agent.


SECTION 606.  Money Held in Trust.

    Money held by the Trustee in trust  hereunder  need not be  segregated  from
other funds except to the extent  required by law. The Trustee shall be under no
liability for interest on any money received by it hereunder except as otherwise
agreed in writing with the Company.


SECTION 607.  Compensation and Reimbursement.

    The Company agrees

    (1) to pay to the Trustee  from time to time such  compensation  as shall be
  agreed to in writing  between the  Company  and the  Trustee for all  services
  rendered  by it  hereunder  (which  compensation  shall not be  limited by any
  provision  of law in regard to the  compensation  of a trustee  of an  express
  trust);

    (2) except as otherwise  expressly provided herein, to reimburse the Trustee
  upon its request  for all  reasonable  expenses,  disbursements  and  advances
  incurred  or made by the  Trustee in  accordance  with any  provision  of this
  Indenture  (including  the  reasonable   compensation  and  the  expenses  and
  disbursements   of  its  agents  and   counsel),   except  any  such  expense,
  disbursement or advance as may be attributable to its negligence or bad faith;
  and

    (3) to indemnify the Trustee for, and to hold it harmless against, any loss,
  liability or expense  incurred  without  negligence  or bad faith on its part,
  arising out of or in connection with the acceptance or  administration  of the
  trust or trusts  hereunder,  including  the costs and  expenses  of  defending
  itself  against any claim or  liability  in  connection  with the  exercise or
  performance of any of its powers or duties hereunder.

    The Trustee shall have a lien prior to the Securities  upon all property and
funds held by it hereunder  for any amount owing it or any  predecessor  Trustee
pursuant to this Section 607, except with respect to funds held in trust for the
benefit of the Holders of particular Securities.

    Without  limiting any rights  available to the Trustee under applicable law,
when the Trustee incurs expenses or renders services in connection with an Event
of  Default  specified  in  Section  501(5)  or  Section  501(6),  the  expenses
(including  the  reasonable  charges  and  expenses  of  its  counsel)  and  the
compensation   for  the  services  are  intended  to   constitute   expenses  of
administration  under any applicable Federal or State bankruptcy,  insolvency or
other similar law.

    The  provisions  of this  Section  shall  survive  the  termination  of this
Indenture.


SECTION 608.  Conflicting Interests.

    If the  Trustee  has or shall  acquire a  conflicting  interest  within  the
meaning of the Trust  Indenture  Act, the Trustee  shall either  eliminate  such
interest or resign,  to the extent and in the manner provided by, and subject to
the provisions  of, the Trust  Indenture Act and this  Indenture.  To the extent
permitted  by such Act,  the Trustee  shall not be deemed to have a  conflicting
interest  by virtue of being a trustee  under  this  Indenture  with  respect to
Securities of more than one series.



SECTION 609.  Corporate Trustee Required; Eligibility.

    There  shall at all  times be one (and  only  one)  Trustee  hereunder  with
respect to the  Securities  of each series,  which may be Trustee  hereunder for
Securities of one or more other  series.  Each Trustee shall be a Person that is
eligible  pursuant to the Trust  Indenture Act to act as such and has a combined
capital  and  surplus  of at least  $50,000,000.  If any such  Person  publishes
reports of condition at least annually,  pursuant to law or to the  requirements
of its supervising or examining authority, then for the purposes of this Section
and to the extent permitted by the Trust Indenture Act, the combined capital and
surplus of such Person shall be deemed to be its combined capital and surplus as
set forth in its most recent  report of condition so  published.  If at any time
the  Trustee  with  respect to the  Securities  of any series  shall cease to be
eligible in accordance  with the  provisions  of this  Section,  it shall resign
immediately  in the  manner and with the effect  hereinafter  specified  in this
Article.


SECTION 610.  Resignation and Removal; Appointment of Successor.

    No  resignation  or removal of the Trustee and no appointment of a successor
Trustee  pursuant to this Article shall become effective until the acceptance of
appointment  by  the  successor   Trustee  in  accordance  with  the  applicable
requirements of Section 611.

    The Trustee may resign at any time with respect to the  Securities of one or
more series by giving written  notice thereof to the Company.  If the instrument
of acceptance by a successor Trustee required by Section 611 shall not have been
delivered  to the  Trustee  within 30 days  after the  giving of such  notice of
resignation,   the  resigning  Trustee  may  petition  any  court  of  competent
jurisdiction  for the  appointment  of a successor  Trustee  with respect to the
Securities of such series.

    The Trustee may be removed at any time with respect to the Securities of any
series  by  Act  of  the  Holders  of a  majority  in  principal  amount  of the
Outstanding  Securities  of such  series,  delivered  to the  Trustee and to the
Company.

    If at any time:

    (1) the Trustee shall fail to comply with Section 608 after written  request
  therefor  by the Company or by any Holder who has been a bona fide Holder of a
  Security for at least six months, or

    (2) the Trustee shall cease to be eligible  under Section 609 and shall fail
  to resign after written request therefor by the Company or by any such Holder,
  or

    (3) the  Trustee  shall  become  incapable  of acting or shall be adjudged a
  bankrupt or insolvent or a receiver of the Trustee or of its property shall be
  appointed or any public officer shall take charge or control of the Trustee or
  of its property or affairs for the purpose of rehabilitation,  conservation or
  liquidation,

then,  in any such case,  (A) the Company by a Board  Resolution  may remove the
Trustee  with  respect to all  Securities,  or (B) subject to Section  514,  any
Holder  who has been a bona fide  Holder of a  Security  for at least six months
may, on behalf of himself and all others similarly situated,  petition any court
of  competent  jurisdiction  for the removal of the Trustee  with respect to all
Securities and the appointment of a successor Trustee or Trustees.

    If the Trustee shall resign, be removed or become incapable of acting, or if
a vacancy  shall occur in the office of Trustee for any cause,  with  respect to
the Securities of one or more series, the Company, by a Board Resolution,  shall
promptly appoint a successor  Trustee or Trustees with respect to the Securities
of that or those series (it being understood that any such successor Trustee may
be appointed with respect to the Securities of one or more or all of such series
and  that at any  time  there  shall be only one  Trustee  with  respect  to the
Securities  of any  particular  series)  and shall  comply  with the  applicable
requirements of Section 611. If, within one year after such resignation, removal
or  incapability,  or the occurrence of such vacancy,  a successor  Trustee with
respect to the Securities of any series shall be appointed by Act of the Holders
of a majority in principal  amount of the Outstanding  Securities of such series
delivered  to the Company and the retiring  Trustee,  the  successor  Trustee so
appointed shall, forthwith upon its acceptance of such appointment in accordance
with the applicable  requirements of Section 611,  become the successor  Trustee
with respect to the  Securities of such series and to that extent  supersede the
successor Trustee appointed by the Company. If no successor Trustee with respect
to the  Securities  of any series shall have been so appointed by the Company or
the Holders and accepted  appointment in the manner required by Section 611, any
Holder who has been a bona fide Holder of a Security of such series for at least
six months may, on behalf of himself and all others similarly situated, petition
any court of competent  jurisdiction for the appointment of a successor  Trustee
with respect to the Securities of such series.

    The Company  shall give notice of each  resignation  and each removal of the
Trustee with respect to the  Securities of any series and each  appointment of a
successor Trustee with respect to the Securities of any series to all Holders of
Securities  of such series in the manner  provided in Section  106.  Each notice
shall include the name of the successor  Trustee with respect to the  Securities
of such series and the address of its Corporate Trust Office.


SECTION 611.  Acceptance of Appointment by Successor.

    In case of the appointment  hereunder of a successor Trustee with respect to
all  Securities,  every such  successor  Trustee  so  appointed  shall  execute,
acknowledge and deliver to the Company and to the retiring Trustee an instrument
accepting  such  appointment,  and thereupon the  resignation  or removal of the
retiring Trustee shall become effective and such successor Trustee,  without any
further  act,  deed or  conveyance,  shall  become  vested  with all the rights,
powers,  trusts and duties of the retiring  Trustee;  but, on the request of the
Company or the successor  Trustee,  such retiring Trustee shall, upon payment of
its charges,  execute and deliver an instrument  transferring  to such successor
Trustee all the rights, powers and trusts of the retiring Trustee and shall duly
assign,  transfer and deliver to such  successor  Trustee all property and money
held by such retiring Trustee hereunder.

    In case of the appointment  hereunder of a successor Trustee with respect to
the  Securities of one or more (but not all) series,  the Company,  the retiring
Trustee and each successor Trustee with respect to the Securities of one or more
series shall execute and deliver an indenture  supplemental  hereto wherein each
successor Trustee shall accept such appointment and which (1) shall contain such
provisions as shall be necessary or desirable to transfer and confirm to, and to
vest in, each successor Trustee all the rights, powers, trusts and duties of the
retiring Trustee with respect to the Securities of that or those series to which
the appointment of such successor  Trustee relates,  (2) if the retiring Trustee
is not retiring with respect to all Securities, shall contain such provisions as
shall be deemed  necessary or desirable to confirm that all the rights,  powers,
trusts and duties of the retiring Trustee with respect to the Securities of that
or those series as to which the retiring  Trustee is not retiring shall continue
to be vested in the retiring Trustee,  and (3) shall add to or change any of the
provisions of this  Indenture as shall be necessary to provide for or facilitate
the  administration  of the trusts hereunder by more than one Trustee,  it being
understood  that  nothing  herein  or  in  such  supplemental   indenture  shall
constitute  such  Trustees  co-trustees  of the same  trust  and that  each such
Trustee shall be trustee of a trust or trusts hereunder  separate and apart from
any trust or trusts hereunder  administered by any other such Trustee;  and upon
the execution and delivery of such  supplemental  indenture the  resignation  or
removal of the retiring  Trustee shall become  effective to the extent  provided
therein  and each such  successor  Trustee,  without any  further  act,  deed or
conveyance,  shall become vested with all the rights,  powers, trusts and duties
of the retiring  Trustee with respect to the  Securities of that or those series
to which the appointment of such successor  Trustee relates;  but, on request of
the Company or any successor  Trustee,  such retiring Trustee shall duly assign,
transfer  and deliver to such  successor  Trustee all property and money held by
such retiring Trustee  hereunder with respect to the Securities of that or those
series to which the appointment of such successor Trustee relates.

    Upon request of any such  successor  Trustee,  the Company shall execute any
and all  instruments  for more fully and certainly  vesting in and confirming to
such  successor  Trustee all such rights,  powers and trusts  referred to in the
first or second preceding paragraph, as the case may be.

    No successor Trustee shall accept its appointment unless at the time of such
acceptance  such  successor  Trustee shall be qualified and eligible  under this
Article.


SECTION 612.  Merger, Conversion, Consolidation or Succession to Business.

    Any  corporation  into which the Trustee may be merged or  converted or with
which it may be  consolidated,  or any  corporation  resulting  from any merger,
conversion  or  consolidation  to which  the  Trustee  shall be a party,  or any
corporation  succeeding to all or substantially all the corporate trust business
of the Trustee,  shall be the successor of the Trustee hereunder,  provided such
corporation  shall be  otherwise  qualified  and  eligible  under this  Article,
without the  execution  or filing of any paper or any further act on the part of
any of the parties hereto. In case any Securities shall have been authenticated,
but not  delivered,  by the Trustee  then in office,  any  successor  by merger,
conversion  or  consolidation  to such  authenticating  Trustee  may adopt  such
authentication  and deliver the Securities so authenticated with the same effect
as if such successor Trustee had itself authenticated such Securities.


SECTION 613.  Preferential Collection of Claims Against Company.

    If and when the Trustee shall be or become a creditor of the Company (or any
other  obligor  upon  the  Securities),  the  Trustee  shall be  subject  to the
provisions of the Trust Indenture Act regarding the collection of claims against
the Company (or any such other obligor).


SECTION 614.  Appointment of Authenticating Agent.

    The Trustee may appoint an  Authenticating  Agent or Agents with  respect to
one or more series of  Securities  which shall be authorized to act on behalf of
the Trustee to  authenticate  Securities  of such series  issued upon  exchange,
registration  of transfer or partial  redemption  thereof or pursuant to Section
306, and Securities so  authenticated  shall be entitled to the benefits of this
Indenture and shall be valid and obligatory for all purposes as if authenticated
by the Trustee  hereunder.  Wherever  reference is made in this Indenture to the
authentication  and  delivery  of  Securities  by the  Trustee or the  Trustee's
certificate  of  authentication,  such  reference  shall be  deemed  to  include
authentication and delivery on behalf of the Trustee by an Authenticating  Agent
and a  certificate  of  authentication  executed  on behalf of the Trustee by an
Authenticating  Agent.  Each  Authenticating  Agent shall be  acceptable  to the
Company and shall at all times be a  corporation  organized  and doing  business
under  the laws of the  United  States of  America,  any  State  thereof  or the
District of Columbia, authorized under such laws to act as Authenticating Agent,
having a combined  capital and surplus of not less than  $50,000,000 and subject
to  supervision  or  examination  by  Federal  or  State   authority.   If  such
Authenticating Agent publishes reports of condition at least annually,  pursuant
to law or to the requirements of said supervising or examining  authority,  then
for the  purposes  of this  Section,  the  combined  capital and surplus of such
Authenticating  Agent shall be deemed to be its combined  capital and surplus as
set forth in its most recent report of condition so published. If at any time an
Authenticating  Agent  shall  cease  to  be  eligible  in  accordance  with  the
provisions of this Section,  such Authenticating  Agent shall resign immediately
in the manner and with the effect specified in this Section.

    Any  corporation  into  which  an  Authenticating  Agent  may be  merged  or
converted or with which it may be  consolidated,  or any  corporation  resulting
from any merger,  conversion or consolidation to which such Authenticating Agent
shall be a party,  or any  corporation  succeeding  to the  corporate  agency or
corporate  trust business of an  Authenticating  Agent,  shall continue to be an
Authenticating  Agent,  provided such  corporation  shall be otherwise  eligible
under this Section,  without the execution or filing of any paper or any further
act on the part of the Trustee or the Authenticating Agent.

    An  Authenticating  Agent may  resign at any time by giving  written  notice
thereof to the Trustee and to the Company. The Trustee may at any time terminate
the agency of an  Authenticating  Agent by giving written notice thereof to such
Authenticating  Agent  and to the  Company.  Upon  receiving  such a  notice  of
resignation  or  upon  such  a  termination,   or  in  case  at  any  time  such
Authenticating  Agent  shall  cease  to  be  eligible  in  accordance  with  the
provisions of this Section,  the Trustee may appoint a successor  Authenticating
Agent  which  shall be  acceptable  to the Company and shall give notice of such
appointment  in the manner  provided in Section 106 to all Holders of Securities
of the series with respect to which such  Authenticating  Agent will serve.  Any
successor  Authenticating  Agent upon  acceptance of its  appointment  hereunder
shall become  vested with all the rights,  powers and duties of its  predecessor
hereunder,  with like effect as if originally named as an Authenticating  Agent.
No successor  Authenticating  Agent shall be appointed unless eligible under the
provisions of this Section.

    The  Company  agrees to pay to each  Authenticating  Agent from time to time
reasonable compensation for its services under this Section.

    If an  appointment  with  respect to one or more series is made  pursuant to
this  Section,  the  Securities  of such series may have  endorsed  thereon,  in
addition  to  the  Trustee's  certificate  of  authentication,   an  alternative
certificate of authentication in the following form:

    This is one of the Securities of the series  designated  therein referred to
in the within-mentioned Indenture.


                                       CHEMICAL BANK,
                                          As Trustee



                                       By......................................,
                                          As Authenticating Agent



                                       By.......................................
                                          Authorized Officer


                                 ARTICLE SEVEN

               HOLDERS' LISTS AND REPORTS BY TRUSTEE AND COMPANY


SECTION 701.  Company to Furnish Trustee Names and Addresses of Holders.

    The Company will furnish or cause to be furnished to the Trustee

    (1) fifteen days after each Regular Record Date, a list, in such form as the
  Trustee may reasonably  require,  of the names and addresses of the Holders of
  Securities of each series as of such Regular Record Date, and

    (2) at such other times as the  Trustee  may  request in writing,  within 30
  days after the receipt by the Company of any such  request,  a list of similar
  form and  content  as of a date not more  than 15 days  prior to the time such
  list is furnished;

excluding from any such list names and addresses  received by the Trustee in its
capacity as Security Registrar.


SECTION 702.  Preservation of Information; Communications to Holders.

    The  Trustee  shall  preserve,  in  as  current  a  form  as  is  reasonably
practicable,  the names and  addresses  of Holders  contained in the most recent
list  furnished  to the  Trustee as  provided  in Section  701 and the names and
addresses  of Holders  received  by the  Trustee  in its  capacity  as  Security
Registrar.  The  Trustee may  destroy  any list  furnished  to it as provided in
Section 701 upon receipt of a new list so furnished.

    The rights of Holders to  communicate  with other  Holders  with  respect to
their rights under this Indenture or under the Securities, and the corresponding
rights  and  privileges  of the  Trustee,  shall  be as  provided  by the  Trust
Indenture Act.

    Every Holder of Securities,  by receiving and holding the same,  agrees with
the  Company and the  Trustee  that  neither the Company nor the Trustee nor any
agent of either of them shall be held accountable by reason of any disclosure of
information  as to names and  addresses  of Holders  made  pursuant to the Trust
Indenture Act.


SECTION 703.  Reports by Trustee.

    The Trustee shall  transmit to Holders such reports  concerning  the Trustee
and its actions  under this  Indenture as may be required  pursuant to the Trust
Indenture  Act at the times and in the  manner  provided  pursuant  thereto.  If
required by Section 313(a) of the Trust Indenture Act, the Trustee shall, within
sixty days after each May 15  following  the date of this  Indenture  deliver to
Holders  a brief  report,  dated  as of such  May 15,  which  complies  with the
provisions of such Section 313(a).

    A copy of each  such  report  shall,  at the  time of such  transmission  to
Holders,  be filed by the  Trustee  with  each  stock  exchange  upon  which any
Securities are listed,  with the  Commission  and with the Company.  The Company
will  promptly  notify the Trustee when any  Securities  are listed on any stock
exchange.


SECTION 704.  Reports by Company.

    The Company shall file with the Trustee and the Commission,  and transmit to
Holders,  such  information,  documents and other  reports,  and such  summaries
thereof, as may be required pursuant to the Trust Indenture Act at the times and
in the manner provided pursuant to such Act; provided that any such information,
documents  or reports  required  to be filed  with the  Commission  pursuant  to
Section 13 or 15(d) of the Exchange  Act shall be filed with the Trustee  within
15 days after the same is so required to be filed with the Commission.


                                 ARTICLE EIGHT

              CONSOLIDATION, MERGER, CONVEYANCE, TRANSFER OR LEASE


SECTION 801.  Company May Consolidate, Etc., Only on Certain Terms.

    The Company  shall not  consolidate  with or merge into any other  Person or
convey, transfer or lease its properties and assets substantially as an entirety
to any Person,  and the Company shall not permit any Person to consolidate  with
or merge into the Company or convey, transfer or lease its properties and assets
substantially as an entirety to the Company, unless:

    (1) in case the Company shall  consolidate with or merge into another Person
  or convey,  transfer or lease its  properties and assets  substantially  as an
  entirety to any Person,  the Person formed by such consolidation or into which
  the Company is merged or the Person which  acquires by conveyance or transfer,
  or which leases, the properties and assets of the Company  substantially as an
  entirety shall be a corporation,  partnership,  unincorporated organization or
  trust,  shall be organized and validly  existing  under the laws of the United
  States of America,  any State  thereof or the  District of Columbia  and shall
  expressly assume, by an indenture supplemental hereto,  executed and delivered
  to the Trustee,  in form  satisfactory  to the  Trustee,  the due and punctual
  payment of the principal of and any premium and interest on all the Securities
  and the  performance  or observance of every covenant of this Indenture on the
  part of the Company to be performed or observed;

    (2)  immediately  after giving effect to such  transaction  and treating any
  indebtedness which becomes an obligation of the Company or any Subsidiary as a
  result of such  transaction  as having  been  incurred  by the Company or such
  Subsidiary at the time of such transaction,  no Event of Default, and no event
  which,  after  notice  or  lapse  of time or both,  would  become  an Event of
  Default, shall have happened and be continuing;

    (3) if, as a result of any such  consolidation or merger or such conveyance,
  transfer or lease, properties or assets of the Company would become subject to
  a mortgage,  pledge,  lien, security interest or other encumbrance which would
  not be permitted by this Indenture,  the Company or such successor  Person, as
  the case may be,  shall take such steps as shall be necessary  effectively  to
  secure the Securities  equally and ratably with (or prior to) all indebtedness
  secured thereby; and

    (4) the Company has delivered to the Trustee an Officers' Certificate and an
  Opinion of Counsel, each stating that such consolidation,  merger, conveyance,
  transfer or lease and, if a  supplemental  indenture is required in connection
  with such transaction,  such  supplemental  indenture comply with this Article
  and that  all  conditions  precedent  herein  provided  for  relating  to such
  transaction have been complied with.


SECTION 802.  Successor Substituted.

    Upon any  consolidation  of the Company with, or merger of the Company into,
any other  Person or any  conveyance,  transfer or lease of the  properties  and
assets of the Company  substantially  as an entirety in accordance  with Section
801, the successor Person formed by such consolidation or into which the Company
is merged or to which such  conveyance,  transfer or lease is made shall succeed
to, and be  substituted  for,  and may  exercise  every  right and power of, the
Company under this Indenture  with the same effect as if such  successor  Person
had been named as the Company herein,  and  thereafter,  except in the case of a
lease, the predecessor Person shall be relieved of all obligations and covenants
under this Indenture and the Securities.


                                  ARTICLE NINE

                            SUPPLEMENTAL INDENTURES


SECTION 901.  Supplemental Indentures Without Consent of Holders.

    Without the consent of any Holders, the Company,  when authorized by a Board
Resolution,  and the Trustee,  at any time and from time to time, may enter into
one or more indentures supplemental hereto, in form satisfactory to the Trustee,
for any of the following purposes:

    (1) to  evidence  the  succession  of another  Person to the Company and the
  assumption by any such successor of the covenants of the Company herein and in
  the Securities; or

    (2) to add to the covenants of the Company for the benefit of the Holders of
  all or any  series  of  Securities  (and if such  covenants  are to be for the
  benefit of less than all series of Securities, stating that such covenants are
  expressly  being  included  solely  for  the  benefit  of such  series)  or to
  surrender any right or power herein conferred upon the Company; or

    (3) to add any  additional  Events of Default for the benefit of the Holders
  of all or any series of Securities (and if such  additional  Events of Default
  are to be for the benefit of less than all series of Securities,  stating that
  such additional  Events of Default are expressly being included solely for the
  benefit of such series); or

    (4) to add to or change  any of the  provisions  of this  Indenture  to such
  extent  as  shall be  necessary  to  permit  or  facilitate  the  issuance  of
  Securities in bearer form, registrable or not registrable as to principal, and
  with or without interest  coupons,  or to permit or facilitate the issuance of
  Securities in uncertificated form; or

    (5) to add to, change or eliminate any of the  provisions of this  Indenture
  in  respect  of one or more  series  of  Securities,  provided  that  any such
  addition, change or elimination (A) shall neither (i) apply to any Security of
  any series created prior to the execution of such  supplemental  indenture and
  entitled  to the benefit of such  provision  nor (ii) modify the rights of the
  Holder of any such Security with respect to such provision or (B) shall become
  effective only when there is no such Security Outstanding; or

    (6) to secure the Securities; or

    (7) to establish  the form or terms of Securities of any series as permitted
  by Sections 201 and 301; or

    (8) to evidence and provide for the acceptance of appointment hereunder by a
  successor  Trustee with respect to the Securities of one or more series and to
  add to or change any of the provisions of this Indenture as shall be necessary
  to provide for or facilitate  the  administration  of the trusts  hereunder by
  more than one Trustee, pursuant to the requirements of Section 611; or

    (9) to cure any  ambiguity,  to correct or supplement  any provision  herein
  which may be defective or inconsistent  with any other provision herein, or to
  make any other  provisions with respect to matters or questions  arising under
  this  Indenture,  provided that such action  pursuant to this Clause (9) shall
  not adversely  affect the interests of the Holders of Securities of any series
  in any material respect.


SECTION 902.  Supplemental Indentures With Consent of Holders.

    With the consent of the Holders of not less than 66-2/3% in principal amount
of the  Outstanding  Securities  of each series  affected  by such  supplemental
indenture,  by Act of said Holders delivered to the Company and the Trustee, the
Company,  when authorized by a Board Resolution,  and the Trustee may enter into
an indenture  or  indentures  supplemental  hereto for the purpose of adding any
provisions to or changing in any manner or eliminating  any of the provisions of
this  Indenture  or of  modifying  in any manner  the  rights of the  Holders of
Securities of such series under this Indenture;  provided, however, that no such
supplemental  indenture  shall,  without  the  consent  of the  Holder  of  each
Outstanding Security affected thereby,

    (1) change the Stated  Maturity of the  principal  of, or any  instalment of
  principal  of or interest on, any  Security,  or reduce the  principal  amount
  thereof  or the rate of  interest  thereon  or any  premium  payable  upon the
  redemption thereof, or reduce the amount of the principal of an Original Issue
  Discount  Security or any other Security which would be due and payable upon a
  declaration of acceleration of the Maturity  thereof  pursuant to Section 502,
  or change any Place of Payment  where,  or the coin or currency in which,  any
  Security or any premium or interest thereon is payable, or impair the right to
  institute suit for the  enforcement of any such payment on or after the Stated
  Maturity  thereof (or, in the case of  redemption,  on or after the Redemption
  Date), or

    (2) reduce the percentage in principal amount of the Outstanding  Securities
  of any  series,  the  consent  of  whose  Holders  is  required  for any  such
  supplemental  indenture,  or the consent of whose  Holders is required for any
  waiver (of  compliance  with certain  provisions of this  Indenture or certain
  defaults hereunder and their consequences) provided for in this Indenture, or

    (3) modify any of the  provisions  of this  Section,  Section 513 or Section
  1008,  except to increase any such percentage or to provide that certain other
  provisions of this Indenture  cannot be modified or waived without the consent
  of the  Holder  of  each  Outstanding  Security  affected  thereby;  provided,
  however,  that this  clause  shall not be deemed to require the consent of any
  Holder  with  respect  to  changes  in the  references  to "the  Trustee"  and
  concomitant  changes in this Section and Section 1008, or the deletion of this
  proviso, in accordance with the requirements of Sections 611 and 901(8).

A  supplemental  indenture  which  changes or  eliminates  any covenant or other
provision of this  Indenture  which has expressly  been included  solely for the
benefit of one or more  particular  series of Securities,  or which modifies the
rights of the Holders of Securities of such series with respect to such covenant
or other  provision,  shall be  deemed  not to  affect  the  rights  under  this
Indenture of the Holders of Securities of any other series.

    It shall not be  necessary  for any Act of  Holders  under  this  Section to
approve the particular form of any proposed supplemental indenture, but it shall
be sufficient if such Act shall approve the substance thereof.


SECTION 903.  Execution of Supplemental Indentures.

    In  executing,   or  accepting  the   additional   trusts  created  by,  any
supplemental indenture permitted by this Article or the modifications thereby of
the trusts created by this Indenture,  the Trustee shall be entitled to receive,
and  (subject  to Section  601) shall be fully  protected  in relying  upon,  an
Opinion of Counsel stating that the execution of such supplemental  indenture is
authorized  or  permitted by this  Indenture.  The Trustee may, but shall not be
obligated  to,  enter into any such  supplemental  indenture  which  affects the
Trustee's own rights, duties or immunities under this Indenture or otherwise.


SECTION 904.  Effect of Supplemental Indentures.

    Upon the execution of any  supplemental  indenture under this Article,  this
Indenture  shall be  modified in  accordance  therewith,  and such  supplemental
indenture shall form a part of this Indenture for all purposes; and every Holder
of Securities  theretofore or thereafter  authenticated and delivered  hereunder
shall be bound thereby.


SECTION 905.  Conformity with Trust Indenture Act.

    Every supplemental indenture executed pursuant to this Article shall conform
to the requirements of the Trust Indenture Act.


SECTION 906.  Reference in Securities to Supplemental Indentures.

    Securities of any series  authenticated and delivered after the execution of
any supplemental  indenture  pursuant to this Article may, and shall if required
by the Trustee, bear a notation in form approved by the Trustee as to any matter
provided for in such supplemental  indenture. If the Company shall so determine,
new  Securities  of any series so modified as to conform,  in the opinion of the
Trustee and the Company, to any such supplemental  indenture may be prepared and
executed  by the  Company  and  authenticated  and  delivered  by the Trustee in
exchange for Outstanding Securities of such series.


                                  ARTICLE TEN

                                   COVENANTS


SECTION 1001.  Payment of Principal, Premium and Interest.

    The  Company  covenants  and  agrees  for  the  benefit  of each  series  of
Securities that it will duly and punctually pay the principal of and any premium
and interest on the  Securities of that series in  accordance  with the terms of
the Securities and this Indenture.


SECTION 1002.  Maintenance of Office or Agency.

    The  Company  will  maintain  in each  Place of  Payment  for any  series of
Securities an office or agency where  Securities of that series may be presented
or surrendered for payment,  where  Securities of that series may be surrendered
for  registration  of transfer or exchange  and where  notices and demands to or
upon the Company in respect of the  Securities of that series and this Indenture
may be served. The Company will give prompt written notice to the Trustee of the
location,  and any change in the location,  of such office or agency.  If at any
time the Company  shall fail to maintain any such  required  office or agency or
shall fail to furnish the Trustee with the address thereof,  such presentations,
surrenders,  notices and demands  may be made or served at the  Corporate  Trust
Office of the Trustee,  and the Company hereby appoints the Trustee as its agent
to receive all such presentations, surrenders, notices and demands.

    The Company may also from time to time  designate  one or more other offices
or  agencies  where the  Securities  of one or more series may be  presented  or
surrendered  for any or all such purposes and may from time to time rescind such
designations; provided, however, that no such designation or rescission shall in
any manner relieve the Company of its obligation to maintain an office or agency
in each Place of Payment for  Securities  of any series for such  purposes.  The
Company will give prompt written  notice to the Trustee of any such  designation
or  rescission  and of any change in the  location  of any such other  office or
agency.


SECTION 1003.  Money for Securities Payments to Be Held in Trust.

    If the Company shall at any time act as its own Paying Agent with respect to
any series of  Securities,  it will, on or before each due date of the principal
of or any premium or interest on any of the Securities of that series, segregate
and  hold in  trust  for the  benefit  of the  Persons  entitled  thereto  a sum
sufficient  to pay the  principal  and any premium and  interest so becoming due
until such sums shall be paid to such Persons or otherwise disposed of as herein
provided  and will  promptly  notify the  Trustee of its action or failure so to
act.

    Whenever the Company  shall have one or more Paying Agents for any series of
Securities,  it will,  prior to each due date of the principal of or any premium
or interest on any Securities of that series,  deposit with a Paying Agent a sum
sufficient  to pay such  amount,  such sum to be held as  provided  by the Trust
Indenture  Act,  and (unless  such Paying Agent is the Trustee) the Company will
promptly notify the Trustee of its action or failure so to act.

    The Company will cause each Paying Agent for any series of Securities  other
than the Trustee to execute and  deliver to the Trustee an  instrument  in which
such Paying Agent shall agree with the  Trustee,  subject to the  provisions  of
this Section,  that such Paying Agent will (1) comply with the provisions of the
Trust  Indenture  Act  applicable  to it as a Paying  Agent and (2)  during  the
continuance  of any  default  by the  Company  (or any  other  obligor  upon the
Securities  of that  series)  in the  making of any  payment  in  respect of the
Securities of that series,  upon the written  request of the Trustee,  forthwith
pay to the Trustee  all sums held in trust by such  Paying  Agent for payment in
respect of the Securities of that series.

    The Company may at any time,  for the purpose of obtaining the  satisfaction
and  discharge of this  Indenture or for any other  purpose,  pay, or by Company
Order  direct any Paying  Agent to pay, to the Trustee all sums held in trust by
the Company or such Paying  Agent,  such sums to be held by the Trustee upon the
same  trusts as those  upon  which  such sums were held by the  Company  or such
Paying Agent;  and,  upon such payment by any Paying Agent to the Trustee,  such
Paying Agent shall be released from all further  liability  with respect to such
money.

    Any money  deposited  with the Trustee or any Paying Agent,  or then held by
the  Company,  in trust for the  payment of the  principal  of or any premium or
interest on any  Security of any series and  remaining  unclaimed  for two years
after such  principal,  premium or interest has become due and payable  shall be
paid to the Company on Company  Request,  or (if then held by the Company) shall
be discharged from such trust; and the Holder of such Security shall thereafter,
as an unsecured general creditor,  look only to the Company for payment thereof,
and all liability of the Trustee or such Paying Agent with respect to such trust
money,  and all  liability of the Company as trustee  thereof,  shall  thereupon
cease;  provided,  however,  that the Trustee or such Paying Agent, before being
required to make any such repayment,  may at the expense of the Company cause to
be published once, in a newspaper published in the English language, customarily
published  on each  Business  Day and of general  circulation  in the Borough of
Manhattan,  The City of New York,  New York,  notice  that  such  money  remains
unclaimed and that, after a date specified therein, which shall not be less than
30 days from the date of such  publication,  any unclaimed balance of such money
then remaining will be repaid to the Company.


SECTION 1004.  Statement by Officers as to Default.

    The Company will  deliver to the  Trustee,  within 120 days after the end of
each fiscal year of the  Company  ending  after the date  hereof,  an  Officers'
Certificate, stating whether or not to the best knowledge of the signers thereof
the Company is in default in the performance and observance of any of the terms,
provisions  and conditions of this  Indenture  (without  regard to any period of
grace or requirement of notice provided  hereunder) and, if the Company shall be
in default,  specifying  all such defaults and the nature and status  thereof of
which they may have knowledge.


SECTION 1005.  Existence.

    Subject to Article Eight, the Company will do or cause to be done all things
necessary  to preserve and keep in full force and effect its  existence,  rights
(charter and  statutory) and  franchises;  provided,  however,  that the Company
shall not be required to preserve  any such right or  franchise  if the Board of
Directors shall determine that the  preservation  thereof is no longer desirable
in the conduct of the  business of the Company and that the loss  thereof is not
disadvantageous in any material respect to the Holders.


SECTION 1006.  Maintenance of Properties.

    The Company will cause all  properties  used or useful in the conduct of its
business or the business of any  Subsidiary  to be  maintained  and kept in good
condition,  repair and working order and supplied  with all necessary  equipment
and  will  cause  to be made  all  necessary  repairs,  renewals,  replacements,
betterments and improvements  thereof, all as in the judgment of the Company may
be necessary  so that the business  carried on in  connection  therewith  may be
properly and  advantageously  conducted at all times;  provided,  however,  that
nothing in this  Section  shall  prevent  the  Company  from  discontinuing  the
operation or maintenance of any of such properties if such discontinuance is, in
the  judgment of the  Company,  desirable  in the conduct of its business or the
business of any Subsidiary and not  disadvantageous  in any material  respect to
the Holders.


SECTION 1007.  Payment of Taxes and Other Claims.

    The Company will pay or discharge or cause to be paid or discharged,  before
the same shall become  delinquent,  (1) all taxes,  assessments and governmental
charges levied or imposed upon the Company or any Subsidiary or upon the income,
profits or property of the Company or any Subsidiary,  and (2) all lawful claims
for labor,  materials and supplies which, if unpaid,  might by law become a lien
upon the property of the Company or any Subsidiary;  provided, however, that the
Company  shall  not be  required  to pay or  discharge  or  cause  to be paid or
discharged any such tax, assessment, charge or claim whose amount, applicability
or validity is being contested in good faith by appropriate proceedings.

SECTION 1008.  Waiver of Certain Covenants.

    Except as otherwise  specified as contemplated by Section 301 for Securities
of such series,  the Company may, with respect to the  Securities of any series,
omit in any particular instance to comply with any term,  provision or condition
set forth in any covenant provided pursuant to Section 301(19), 901(2) or 901(7)
for the benefit of the Holders of such series or in any of Sections 1006 through
1007 if before the time for such  compliance  the Holders of at least 66-2/3% in
principal  amount of the Outstanding  Securities of such series shall, by Act of
such Holders,  either waive such  compliance in such instance or generally waive
compliance  with such term,  provision  or  condition,  but no such waiver shall
extend to or affect such term,  provision or  condition  except to the extent so
expressly waived, and, until such waiver shall become effective, the obligations
of the  Company  and the  duties of the  Trustee  in  respect  of any such term,
provision or condition shall remain in full force and effect.


SECTION 1009.  Calculation of Original Issue Discount.

    The Company shall file with the Trustee promptly at the end of each calendar
year  a  written  notice  specifying  the  amount  of  original  issue  discount
(including daily rates and accrual periods) accrued on Outstanding Securities as
of the end of such year.


                                 ARTICLE ELEVEN

                            REDEMPTION OF SECURITIES


SECTION 1101.  Applicability of Article.

    Securities of any series which are redeemable  before their Stated  Maturity
shall be  redeemable  in  accordance  with their terms and (except as  otherwise
specified as contemplated by Section 301 for such Securities) in accordance with
this Article.


SECTION 1102.  Election to Redeem; Notice to Trustee.

    The election of the Company to redeem any Securities shall be evidenced by a
Board  Resolution or in another manner  specified as contemplated by Section 301
for such  Securities.  In case of any redemption at the election of the Company,
the Company shall,  at least 60 days prior to the  Redemption  Date fixed by the
Company (unless a shorter notice shall be  satisfactory to the Trustee),  notify
the Trustee of such  Redemption  Date, of the principal  amount of Securities of
such series to be redeemed and, if applicable, of the tenor of the Securities to
be  redeemed.  In the case of any  redemption  of  Securities  (a)  prior to the
expiration of any restriction on such  redemption  provided in the terms of such
Securities or elsewhere in this Indenture, or (b) pursuant to an election of the
Company  which  is  subject  to a  condition  specified  in the  terms  of  such
Securities or elsewhere in this Indenture, the Company shall furnish the Trustee
with an Officers'  Certificate  evidencing  compliance with such  restriction or
condition.


SECTION 1103.  Selection by Trustee of Securities to Be Redeemed.

    If less than all the Securities of any series are to be redeemed (unless all
the  Securities  of such series and of a  specified  tenor are to be redeemed or
unless  such  redemption  affects  only  a  single  Security),   the  particular
Securities  to be redeemed  shall be selected not more than 60 days prior to the
Redemption Date by the Trustee,  from the Outstanding  Securities of such series
not previously  called for redemption,  by such method as the Trustee shall deem
fair and appropriate and which may provide for the selection for redemption of a
portion of the  principal  amount of any Security of such series,  provided that
the  unredeemed  portion of the principal  amount of any Security shall be in an
authorized  denomination  (which  shall not be less than the minimum  authorized
denomination) for such Security.  If less than all the Securities of such series
and of a specified tenor are to be redeemed (unless such redemption affects only
a single Security),  the particular  Securities to be redeemed shall be selected
not more than 60 days  prior to the  Redemption  Date by the  Trustee,  from the
Outstanding  Securities of such series and specified tenor not previously called
for redemption in accordance with the preceding sentence.

    The Trustee shall  promptly  notify the Company in writing of the Securities
selected for redemption as aforesaid and, in case of any Securities selected for
partial redemption as aforesaid, the principal amount thereof to be redeemed.

    The provisions of the two preceding  paragraphs shall not apply with respect
to any redemption affecting only a single Security,  whether such Security is to
be redeemed in whole or in part. In the case of any such redemption in part, the
unredeemed  portion  of the  principal  amount  of the  Security  shall be in an
authorized  denomination  (which  shall not be less than the minimum  authorized
denomination) for such Security.

    For all purposes of this Indenture,  unless the context otherwise  requires,
all  provisions  relating to the redemption of Securities  shall relate,  in the
case of any  Securities  redeemed or to be redeemed only in part, to the portion
of the principal amount of such Securities which has been or is to be redeemed.


SECTION 1104.  Notice of Redemption.

    Notice of redemption  shall be given by first-class  mail,  postage prepaid,
mailed not less than 30 nor more than 60 days prior to the  Redemption  Date, to
each  Holder of  Securities  to be  redeemed,  at his address  appearing  in the
Security Register.

    All notices of  redemption  shall  identify  the  Securities  to be redeemed
(including CUSIP number) and shall state:

    (1) the Redemption Date,

    (2) the Redemption Price,

    (3) if less  than all the  Outstanding  Securities  of any  series  and of a
  specified tenor  consisting of more than a single Security are to be redeemed,
  the  identification  (and,  in the  case of  partial  redemption  of any  such
  Securities, the principal amounts) of the particular Securities to be redeemed
  and,  if less  than all the  Outstanding  Securities  of any  series  and of a
  specified  tenor  consisting  of a single  Security  are to be  redeemed,  the
  principal amount of the particular Security to be redeemed,

    (4) that on the  Redemption  Date the  Redemption  Price will become due and
  payable  upon each such  Security to be  redeemed  and,  if  applicable,  that
  interest thereon will cease to accrue on and after said date,

    (5) the place or places where each such  Security is to be  surrendered  for
  payment of the Redemption Price, and

    (6) that the redemption is for a sinking fund, if such is the case.

    Notice of  redemption  of  Securities  to be redeemed at the election of the
Company  shall be given by the  Company  or, at the  Company's  request,  by the
Trustee in the name and at the expense of the Company and shall be irrevocable.


SECTION 1105.  Deposit of Redemption Price.

    Prior to any Redemption  Date, the Company shall deposit with the Trustee or
with a Paying  Agent (or,  if the  Company  is acting as its own  Paying  Agent,
segregate  and hold in trust as  provided  in  Section  1003) an amount of money
sufficient to pay the Redemption  Price of, and (except if the  Redemption  Date
shall be an Interest Payment Date) accrued interest on, all the Securities which
are to be redeemed on that date.


SECTION 1106.  Securities Payable on Redemption Date.

    Notice of redemption having been given as aforesaid, the Securities so to be
redeemed shall, on the Redemption Date, become due and payable at the Redemption
Price therein specified,  and from and after such date (unless the Company shall
default in the  payment  of the  Redemption  Price and  accrued  interest)  such
Securities shall cease to bear interest. Upon surrender of any such Security for
redemption in accordance  with said notice,  such Security  shall be paid by the
Company  at  the  Redemption  Price,  together  with  accrued  interest  to  the
Redemption  Date;  provided,   however,  that,  unless  otherwise  specified  as
contemplated  by Section 301,  installments of interest whose Stated Maturity is
on or prior to the  Redemption  Date  will be  payable  to the  Holders  of such
Securities,  or one or more  Predecessor  Securities,  registered as such at the
close of business on the relevant  Record Dates according to their terms and the
provisions of Section 307.

    If any Security  called for  redemption  shall not be so paid upon surrender
thereof for  redemption,  the principal and any premium shall,  until paid, bear
interest  from  the  Redemption  Date at the  rate  prescribed  therefor  in the
Security.


SECTION 1107.  Securities Redeemed in Part.

    Any Security  which is to be redeemed only in part shall be surrendered at a
Place of Payment therefor (with, if the Company or the Trustee so requires,  due
endorsement by, or a written  instrument of transfer in form satisfactory to the
Company and the Trustee  duly  executed  by, the Holder  thereof or his attorney
duly  authorized  in writing),  and the Company shall  execute,  and the Trustee
shall  authenticate  and deliver to the Holder of such Security  without service
charge,  a new Security or Securities  of the same series and of like tenor,  of
any authorized  denomination as requested by such Holder, in aggregate principal
amount equal to and in exchange for the  unredeemed  portion of the principal of
the Security so surrendered.


                                 ARTICLE TWELVE

                                 SINKING FUNDS


SECTION 1201.  Applicability of Article.

    The  provisions  of this Article shall be applicable to any sinking fund for
the  retirement of  Securities  of any series  except as otherwise  specified as
contemplated by Section 301 for such Securities.

    The minimum amount of any sinking fund payment  provided for by the terms of
any Securities is herein referred to as a "mandatory sinking fund payment",  and
any payment in excess of such minimum  amount  provided for by the terms of such
Securities  is herein  referred to as an  "optional  sinking fund  payment".  If
provided for by the terms of any Securities, the cash amount of any sinking fund
payment may be subject to  reduction as provided in Section  1202.  Each sinking
fund payment shall be applied to the redemption of Securities as provided for by
the terms of such Securities.


SECTION 1202.  Satisfaction of Sinking Fund Payments with Securities.

    The Company (1) may deliver  Outstanding  Securities of a series (other than
any previously  called for redemption) and (2) may apply as a credit  Securities
of a series  which have been  redeemed  either at the  election  of the  Company
pursuant to the terms of such Securities or through the application of permitted
optional sinking fund payments pursuant to the terms of such Securities, in each
case in satisfaction of all or any part of any sinking fund payment with respect
to any  Securities  of such series  required to be made pursuant to the terms of
such  Securities  as and to the  extent  provided  for  by  the  terms  of  such
Securities;  provided  that  the  Securities  to be so  credited  have  not been
previously so credited.  The  Securities to be so credited shall be received and
credited for such purpose by the Trustee at the Redemption  Price,  as specified
in the  Securities so to be redeemed,  for redemption  through  operation of the
sinking  fund and the  amount of such  sinking  fund  payment  shall be  reduced
accordingly.


SECTION 1203.  Redemption of Securities for Sinking Fund.

    Not  less  than 60 days  prior to each  sinking  fund  payment  date for any
Securities,  the Company will  deliver to the Trustee an  Officers'  Certificate
specifying  the  amount  of the  next  ensuing  sinking  fund  payment  for such
Securities  pursuant to the terms of such Securities,  the portion  thereof,  if
any,  which is to be  satisfied by payment of cash and the portion  thereof,  if
any, which is to be satisfied by delivering and crediting Securities pursuant to
Section 1202 and stating the basis for such credit and that such Securities have
not been  previously  so  credited  and will also  deliver  to the  Trustee  any
Securities to be so delivered.  Not less than 30 days prior to each such sinking
fund payment date,  the Trustee shall select the  Securities to be redeemed upon
such sinking fund payment date in the manner specified in Section 1103 and cause
notice of the  redemption  thereof to be given in the name of and at the expense
of the Company in the manner  provided in Section 1104.  Such notice having been
duly given,  the redemption of such Securities  shall be made upon the terms and
in the manner stated in Sections 1106 and 1107.


                                ARTICLE THIRTEEN

                       DEFEASANCE AND COVENANT DEFEASANCE


SECTION 1301.  Company's Option to Effect Defeasance or Covenant Defeasance.

    The Company may elect,  at its option at any time,  to have  Section 1302 or
Section 1303 applied to any Securities or any series of Securities,  as the case
may be, designated  pursuant to Section 301 as being defeasible pursuant to such
Section 1302 or 1303, in accordance  with any applicable  requirements  provided
pursuant to Section 301 and upon  compliance with the conditions set forth below
in this Article.  Any such election shall be evidenced by a Board  Resolution or
in another manner specified as contemplated by Section 301 for such Securities.


SECTION 1302.  Defeasance and Discharge.

    Upon the  Company's  exercise  of its option  (if any) to have this  Section
applied to any Securities or any series of  Securities,  as the case may be, the
Company  shall be deemed  to have  been  discharged  from its  obligations  with
respect to such Securities as provided in this Section on and after the date the
conditions  set  forth  in  Section  1304  are  satisfied   (hereinafter  called
"Defeasance"). For this purpose, such Defeasance means that the Company shall be
deemed to have paid and discharged the entire  indebtedness  represented by such
Securities and to have satisfied all its other obligations under such Securities
and this Indenture insofar as such Securities are concerned (and the Trustee, at
the expense of the Company,  shall execute proper instruments  acknowledging the
same),  subject to the following which shall survive until otherwise  terminated
or  discharged  hereunder:  (1) the  rights of  Holders  of such  Securities  to
receive,  solely from the trust fund described in Section 1304 and as more fully
set forth in such  Section,  payments  in  respect of the  principal  of and any
premium and interest on such Securities when payments are due, (2) the Company's
obligations  with respect to such Securities  under Sections 304, 305, 306, 1002
and 1003 and with  respect to the Trustee  under  Section  607,  (3) the rights,
powers,  trusts,  duties and  immunities  of the Trustee  hereunder and (4) this
Article.  Subject to compliance with this Article,  the Company may exercise its
option (if any) to have this Section  applied to any Securities  notwithstanding
the prior  exercise of its option (if any) to have  Section 1303 applied to such
Securities.


SECTION 1303.  Covenant Defeasance.

    Upon the  Company's  exercise  of its option  (if any) to have this  Section
applied to any Securities or any series of  Securities,  as the case may be, (1)
the  Company  shall be  released  from its  obligations  under  Section  801(3),
Sections 1006 through 1007,  inclusive,  and any covenants  provided pursuant to
Section 301(19), 901(2), 901(6) or 901(7) for the benefit of the Holders of such
Securities  and (2) the  occurrence  of any event  specified in Sections  501(4)
(with respect to any of Section 801(3),  Sections 1006 through 1007,  inclusive,
and any such covenants provided pursuant to Section 301(19),  901(2),  901(6) or
901(7))  and  501(7)  shall be deemed not to be or result in an Event of Default
with  respect to such  Securities  as provided in this  Section on and after the
date the conditions set forth in Section 1304 are satisfied  (hereinafter called
"Covenant  Defeasance").  For this purpose, such Covenant Defeasance means that,
with respect to such  Securities,  the Company may omit to comply with and shall
have no liability in respect of any term,  condition or limitation  set forth in
any such  specified  Section (to the extent so  specified in the case of Section
501(4)),  whether  directly or indirectly  by reason of any reference  elsewhere
herein to any such Section or by reason of any  reference in any such Section to
any other provision  herein or in any other document,  but the remainder of this
Indenture and such Securities shall be unaffected thereby.


SECTION 1304.  Conditions to Defeasance or Covenant Defeasance.

    The following  shall be the conditions to the application of Section 1302 or
Section 1303 to any Securities or any series of Securities, as the case may be:

    (1) The Company shall  irrevocably  have deposited or caused to be deposited
  with the  Trustee  as trust  funds in trust  for the  purpose  of  making  the
  following payments, specifically pledged as security for, and dedicated solely
  to, the benefit of the Holders of such Securities,  (A) money in an amount, or
  (B) U.S.  Government  Obligations  which  through  the  scheduled  payment  of
  principal and interest in respect  thereof in accordance with their terms will
  provide,  not later than one day before the due date of any payment,  money in
  an amount,  or (C) a  combination  thereof,  in each case  sufficient,  in the
  opinion of a nationally  recognized  firm of  independent  public  accountants
  expressed in a written  certification thereof delivered to the Trustee, to pay
  and discharge, and which shall be applied by the Trustee to pay and discharge,
  the  principal  of and any premium  and  interest  on such  Securities  on the
  respective Stated Maturities or on any Redemption Date established pursuant to
  clause (9) below,  in  accordance  with the terms of this  Indenture  and such
  Securities.  As  used  herein,  "U.S.  Government  Obligation"  means  (x) any
  security which is (i) a direct  obligation of the United States of America for
  the payment of which the full faith and credit of the United States of America
  is pledged or (ii) an obligation  of a Person  controlled or supervised by and
  acting as an agency or  instrumentality  of the United  States of America  the
  payment  of which is  unconditionally  guaranteed  as a full  faith and credit
  obligation by the United States of America, which, in either case (i) or (ii),
  is not callable or redeemable at the option of the issuer thereof, and (y) any
  depositary  receipt  issued by a bank (as  defined in  Section  3(a)(2) of the
  Securities  Act) as custodian with respect to any U.S.  Government  Obligation
  which is  specified  in Clause (x) above and held by such bank for the account
  of the holder of such  depositary  receipt,  or with  respect to any  specific
  payment of principal of or interest on any U.S. Government Obligation which is
  so  specified  and  held,  provided  that  (except  as  required  by law) such
  custodian is not  authorized to make any deduction  from the amount payable to
  the  holder  of such  depositary  receipt  from  any  amount  received  by the
  custodian in respect of the U.S. Government Obligation or the specific payment
  of principal or interest evidenced by such depositary receipt.

    (2) In the event of an election to have Section 1302 apply to any Securities
  or any  series of  Securities,  as the case may be,  the  Company  shall  have
  delivered  to the Trustee an Opinion of Counsel  stating  that (A) the Company
  has  received  from,  or there has been  published  by, the  Internal  Revenue
  Service a ruling or (B)  since the date of this  instrument,  there has been a
  change in the applicable  Federal income tax law, in either case (A) or (B) to
  the effect that,  and based  thereon  such opinion  shall  confirm  that,  the
  Holders of such  Securities will not recognize gain or loss for Federal income
  tax  purposes  as a result of the  deposit,  Defeasance  and  discharge  to be
  effected with respect to such Securities and will be subject to Federal income
  tax on the same  amount,  in the same manner and at the same times as would be
  the case if such deposit, Defeasance and discharge were not to occur.

    (3) In the event of an election to have Section 1303 apply to any Securities
  or any  series of  Securities,  as the case may be,  the  Company  shall  have
  delivered  to the Trustee an Opinion of Counsel to the effect that the Holders
  of such  Securities  will not  recognize  gain or loss for Federal  income tax
  purposes  as a result of the deposit and  Covenant  Defeasance  to be effected
  with respect to such  Securities  and will be subject to Federal income tax on
  the same amount, in the same manner and at the same times as would be the case
  if such deposit and Covenant Defeasance were not to occur.

    (4) The Company shall have delivered to the Trustee an Officers' Certificate
  to the effect that neither such  Securities  nor any other  Securities  of the
  same series, if then listed on any securities exchange,  will be delisted as a
  result of such deposit.

    (5) No event  which  is,  or  after  notice  or lapse of time or both  would
  become,  an Event of  Default  with  respect to such  Securities  or any other
  Securities  shall have  occurred and be continuing at the time of such deposit
  or, with regard to any such event specified in Sections 501(5) and (6), at any
  time on or prior to the 90th day  after  the date of such  deposit  (it  being
  understood that this condition shall not be deemed  satisfied until after such
  90th day).

    (6) Such  Defeasance or Covenant  Defeasance  shall not cause the Trustee to
  have a  conflicting  interest  within the meaning of the Trust  Indenture  Act
  (assuming all Securities are in default within the meaning of such Act).

    (7) Such Defeasance or Covenant  Defeasance  shall not result in a breach or
  violation of, or constitute a default under, any other agreement or instrument
  to which the Company is a party or by which it is bound.

    (8) Such  Defeasance  or Covenant  Defeasance  shall not result in the trust
  arising  from such  deposit  constituting  an  investment  company  within the
  meaning of the  Investment  Company Act unless such trust shall be  registered
  under such Act or exempt from registration thereunder.

    (9) If the  Securities are to be redeemed  prior to Stated  Maturity  (other
  than from mandatory  sinking fund payments or analogous  payments),  notice of
  such  redemption  shall have been duly given  pursuant  to this  Indenture  or
  provision therefor satisfactory to the Trustee shall have been made.

    (10)  The  Company  shall  have   delivered  to  the  Trustee  an  Officers'
  Certificate  and an Opinion  of  Counsel,  each  stating  that all  conditions
  precedent  with respect to such  Defeasance or Covenant  Defeasance  have been
  complied with.


SECTION 1305.  Deposited Money and U.S. Government Obligations to Be
  Held in Trust; Miscellaneous Provisions.

    Subject to the  provisions of the last  paragraph of Section 1003, all money
and U.S. Government  Obligations (including the proceeds thereof) deposited with
the Trustee  pursuant to Section 1304 in respect of any Securities shall be held
in trust and applied by the Trustee,  in accordance  with the provisions of such
Securities and this  Indenture,  to the payment,  either directly or through any
such Paying Agent  (including the Company acting as its own Paying Agent) as the
Trustee may determine, to the Holders of such Securities, of all sums due and to
become due thereon in respect of  principal  and any premium and  interest,  but
money so held in trust need not be  segregated  from other  funds  except to the
extent required by law.

    The Company  shall pay and  indemnify  the Trustee  against any tax,  fee or
other  charge  imposed on or assessed  against the U.S.  Government  Obligations
deposited  pursuant to Section 1304 or the  principal  and interest  received in
respect thereof other than any such tax, fee or other charge which by law is for
the account of the Holders of Outstanding Securities.

    Anything in this Article to the contrary notwithstanding,  the Trustee shall
deliver or pay to the Company from time to time upon  Company  Request any money
or U.S.  Government  Obligations  held by it as  provided  in Section  1304 with
respect to any Securities which, in the opinion of a nationally  recognized firm
of independent public accountants  expressed in a written  certification thereof
delivered to the Trustee,  are in excess of the amount  thereof which would then
be required to be deposited to effect the Defeasance or Covenant Defeasance,  as
the case may be, with respect to such Securities.


SECTION 1306.  Reinstatement.

    If the  Trustee  or the  Paying  Agent  is  unable  to  apply  any  money in
accordance  with this Article with  respect to any  Securities  by reason of any
order or judgment of any court or governmental authority enjoining,  restraining
or otherwise  prohibiting  such  application,  then the  obligations  under this
Indenture  and such  Securities  from which the Company has been  discharged  or
released  pursuant to Section  1302 or 1303 shall be revived and  reinstated  as
though no deposit had  occurred  pursuant to this  Article  with respect to such
Securities, until such time as the Trustee or Paying Agent is permitted to apply
all money held in trust pursuant to Section 1305 with respect to such Securities
in accordance with this Article;  provided,  however,  that if the Company makes
any payment of  principal  of or any  premium or  interest on any such  Security
following such reinstatement of its obligations, the Company shall be subrogated
to the rights (if any) of the Holders of such Securities to receive such payment
from the money so held in trust.



                         -----------------------------


    This instrument may be executed in any number of counterparts, each of which
so executed shall be deemed to be an original,  but all such counterparts  shall
together constitute but one and the same instrument.

    IN WITNESS WHEREOF, the parties hereto have caused this Indenture to be duly
executed,  and their  respective  corporate  seals to be  hereunto  affixed  and
attested, all as of the day and year first above written.


                                        ARIZONA PUBLIC SERVICE COMPANY


                                        By......................................
                                                      Treasurer

Attest:


 ......................................


                                        CHEMICAL BANK, as Trustee


                                        By......................................
                                                     Vice President

Attest:


 ......................................




STATE OF ARIZONA        )
                              )  ss.:
COUNTY OF MARICOPA      )


    On the .... day of________,  before me personally came Nancy E. Newquist, to
me known,  who, being by me duly sworn, did depose and say that she is Treasurer
of Arizona  Public Service  Company,  one of the  corporations  described in and
which  executed  the  foregoing  instrument;  that  she  knows  the seal of said
corporation;  that the seal affixed to said  instrument is such corporate  seal;
that  it was so  affixed  by  authority  of  the  Board  of  Directors  of  said
corporation; and that she signed her name thereto by like authority.



                                                  ..............................



STATE OF NEW YORK    )
                              )  ss.:
COUNTY OF NEW YORK   )


    On the .... day of_______ , before me personally  came  ____________,  to me
known, who, being by me duly sworn, did depose and say that he is Vice President
of Chemical  Bank, one of the  corporations  described in and which executed the
foregoing instrument; that he knows the seal of said corporation;  that the seal
affixed to said  instrument is such  corporate  seal;  that it was so affixed by
authority of the Board of Directors of said corporation;  and that he signed his
name thereto by like authority.



                                                  ..............................



                                  Exhibit 5.1


                               November 20, 1995





Arizona Public Service Company
400 North Fifth Street
Phoenix, Arizona  85004


Ladies and Gentlemen:

        Reference is made to (a) your proposed offering of up to $150,000,000 of
your Securities (the  "Securities"),  as contemplated by the combined prospectus
contained in the Registration  Statement (the "Registration  Statement") on Form
S-3 to be filed by you on November 20, 1995,  with the  Securities  and Exchange
Commission  under the  Securities  Act of 1933,  as amended (the  "Act"),  which
Securities  include (i)  $25,000,000 of either New Bonds or Debt  Securities (as
such  terms are  defined  in the  Registration  Statement),  or any  combination
thereof,  to  be  registered  pursuant  to  the  Registration  Statement,   (ii)
$25,000,000 of either New Bonds or Debt Securities  previously  registered under
Registration  No.  33-55473,  and (iii)  $100,000,000  of First  Mortgage  Bonds
previously registered under Registration No. 33-61228;  and (b) any registration
statement  registering  additional Securities pursuant to Rule 462(b) of the Act
that  relates  to the  Registration  Statement  (the "Rule  462(b)  Registration
Statement").

        We have examined originals or copies,  certified or otherwise identified
to  our  satisfaction,   of  such  corporate  records,   agreements,  and  other
instruments,   certificates,   orders,  opinions,   correspondence  with  public
officials, certificates provided by your officers and representatives, and other
documents as we have deemed  necessary or advisable  for the purposes of rending
the opinions set forth herein.

         Based  on  the  foregoing,  it  is  our  opinion  that  after  (i)  the
Registration   Statement,   and  the  Rule  462(b)  Registration  Statement,  if
applicable,  shall have become  effective,  and (ii) you shall have entered into
one or more underwriting agreements with the underwriters of the Securities then
to be  offered or the  representatives  of such  underwriters,  and you and such
underwriters or  representatives  shall have determined by agreement the initial
public  offering  price  for  each of  such  Securities  and  the  underwriters'
discounts  therefrom and commission  therefor,  pursuant to the authorization of
your Board of  Directors  and the  applicable  order of the Arizona  Corporation
Commission,  then,  when (i) the Securities  have been issued,  sold,  executed,
authenticated, and delivered, and (ii) the purchase price therefor has been paid
to you as  contemplated  in the  Registration  Statement,  and the  Rule  462(b)
Registration  Statement,  if applicable,  including  the Exhibits thereto and in
any relevant  amendment  thereto or in any Rule 424 supplement to the prospectus
contained in the Registration  Statement,  the Securities will be validly issued
and will constitute legal,  valid, and binding  obligations of you except as the
same may be  limited  by (a)  general  principles  of equity  or by  bankruptcy,
insolvency, reorganization,  arrangement, moratorium, or other laws or equitable
principles  relating  to or  affecting  the  enforcement  of  creditors'  rights
generally,  or  by  equitable  principles  that  limit  the  right  to  specific
performance  or  otherwise  limit  remedial  action  or the  enforcement  of the
security provided for the Securities,  (b) the necessity for compliance with the
statutory  procedural  requirements  governing  the  exercise  of  remedies by a
secured creditor,  and (c) the qualification  that certain waivers,  procedures,
remedies,  and other provisions of the Securities may be unenforceable  under or
limited by the law of the State of  Arizona;  however,  such law does not in our
opinion substantially prevent the practical realization of the benefits thereof.

        In giving the  foregoing  opinion,  we are  relying  upon the opinion of
Keleher &  McLeod,  P.A.,  your New  Mexico  counsel,  to the  effect  that your
activities  to date do not  constitute  you a "public  utility"  as that term is
defined  in  the  laws  of New  Mexico,  and  that,  accordingly,  no  approval,
authorization,  or consent of the New Mexico  Public  Service  Commission or any
other  public  board or body of the  State of New  Mexico  is  required  for the
issuance and sale of the Securities.

         Consent  is  hereby  given  to the use of this  opinion  as part of the
Registration   Statement,   and  the  Rule  462(b)  Registration  Statement,  if
applicable,  and to the use of our name wherever it appears in said Registration
Statement,  the related prospectus,  and the Rule 462(b) Registration Statement,
if applicable.

                                     Very truly yours,



                                    Snell & Wilmer L.L.P.



                                 EXHIBIT 12.1


                        ARIZONA PUBLIC SERVICE COMPANY
              COMPUTATION OF RATIO OF EARNINGS TO FIXED CHARGES
                            (THOUSANDS OF DOLLARS)

<TABLE>
<CAPTION>
                                                                            TWELVE MONTHS ENDED
                                        -----------------------------------------------------------------------------------------
                                          SEPTEMBER 30,                                DECEMBER 31,
                                        --------------- -------------------------------------------------------------------------
                                                                                                              1991
                                              1995          1994       1993        1992       1991 (A)    ADJUSTED (A)    1990
                                        --------------- ---------- ----------- ----------- ------------- ------------ -----------
<S>                                       <C>             <C>        <C>         <C>         <C>           <C>          <C>
Earnings:
  Net Income ........................     $242,529        $243,486   $ 250,386   $ 246,805   $ (222,649)   $ 184,380    $ 180,012
  Income taxes (1) ..................      149,612         177,244     188,907     181,355      (94,750)     128,801      126,831
  Fixed Charges .....................      215,061         213,581     220,590     246,246      281,959      281,959      292,117
                                        --------------- ---------- ----------- ----------- ------------- ------------ -----------
    Total ...........................     $607,202        $634,311   $ 659,883   $ 674,406   $  (35,440)   $ 595,140    $ 598,960
                                        =============== ========== =========== =========== ============= ============ ===========
Fixed Charges:
  Interest expense ..................     $168,764        $166,045   $ 171,272   $ 190,746   $  227,624    $ 227,624    $ 239,992
  Amortization of debt discount,
   premium and expense ..............        8,136           8,854       9,203       8,000        5,995        5,995        5,302
  Estimated interest portion of
   annual rentals (2) ...............       38,161          38,682      40,115      47,500       48,340       48,340       46,823
                                        --------------- ---------- ----------- ----------- ------------- ------------ -----------
    Total ...........................     $215,061        $213,581   $ 220,590   $ 246,246   $  281,959    $ 281,959    $ 292,117
                                        =============== ========== =========== =========== ============= ============ ===========
Ratio of Earnings to Fixed Charges
(rounded down) ......................         2.82            2.96        2.99        2.73        -0.13         2.11         2.05
                                        =============== ========== =========== =========== ============= ============ ===========
(1) Income Taxes:
 Charged to operations ..............     $181,011        $168,202   $ 168,056   $ 164,620   $   96,273    $ 117,408    $ 106,044
 Charged (credited) to other
  accounts ..........................      (31,399)          9,042      20,851      16,735     (191,023)      11,393       20,787
                                        --------------- ---------- ----------- ----------- ------------- ------------ -----------
    Total ...........................     $149,612        $177,244   $ 188,907   $ 181,355   $  (94,750)   $ 128,801    $ 126,831
                                        =============== ========== =========== =========== ============= ============ ===========
(2) Estimated interest portion of
   Unit 2 lease payments included
   in estimated interest portion
   of annual rentals ................     $ 34,485        $ 35,710   $  37,407   $  43,581   $   43,625    $  43,625    $  43,666
                                        =============== ========== =========== =========== ============= ============ ===========

- ----------
(a) The write-off resulting from a December 1991 Arizona Corporation  Commission
    order settling the Company's  then-pending  rate case resulted in a negative
    coverage ratio and an earnings  coverage  deficiency of  approximately  $317
    million for the twelve months ended December 31, 1991. Excluding the effects
    of the  write-off,  the  coverage  ratio  would  have been 2.11 for the same
    period.
</TABLE>


                                  Exhibit 15.1





November 17, 1995



Arizona Public Service Company
Post Office Box 53999
Phoenix, Arizona 85072-3999

We have made a review, in accordance with standards  established by the American
Institute of Certified Public  Accountants,  of the unaudited  interim financial
information of Arizona  Public  Service  Company for the periods ended March 31,
June 30 and  September  30, 1995 and 1994, as indicated in our reports dated May
8, August 8, and November 2, 1995,  respectively;  because we did not perform an
audit, we expressed no opinion on that information.

We are aware that our  reports  referred  to above,  which are  included in your
Quarterly  Reports on Form 10-Q for the quarters ended March 31, 1995,  June 30,
1995, and September 30, 1995 are incorporated by reference in this  Registration
Statement.

We are also aware that the aforementioned  reports pursuant to Rule 436(c) under
the  Securities  Act of  1933,  are not  considered  a part of the  Registration
Statement  prepared  or  certified  by an  accountant  or a report  prepared  or
certified by an accountant within the meaning of Sections 7 and 11 of the Act.



DELOITTE & TOUCHE LLP
DELOITTE & TOUCHE LLP
Phoenix, Arizona



                                  Exhibit 23.1



INDEPENDENT AUDITORS' CONSENT

We consent to  the  incorporation  by reference in this  Registration  Statement
of Arizona Public Service Company on Form S-3 of our report dated March 3, 1995,
appearing in the Annual Report on Form 10-K of Arizona  Public  Service  Company
for the year  ended  December  31,  1994 and to the  reference  to us under  the
heading  "Experts"  in the  Prospectus,  which  is  part  of  this  Registration
Statement.



DELOITTE & TOUCHE LLP
DELOITTE & TOUCHE LLP
Phoenix, Arizona

November 17, 1995



                                  Exhibit 25.1
                       SECURITIES AND EXCHANGE COMMISSION
                             Washington, D.C. 20549

                               -----------------


                                    FORM T-1

                    STATEMENT OF ELIGIBILITY UNDER THE TRUST
                     INDENTURE ACT OF 1939 OF A CORPORATION
                          DESIGNATED TO ACT AS TRUSTEE

             CHECK IF AN APPLICATION TO DETERMINE ELIGIBILITY OF A
               TRUSTEE PURSUANT TO SECTION 305(b)(2) ____________

                               -----------------

                              THE BANK OF NEW YORK
              (Exact name of trustee as specified in its charter)


          New York                                           13-5160382
(Jurisdiction of incorporation                            (I.R.S. Employer
if not a U.S. national bank)                              Identification No.)

 48 Wall Street, New York, New York                            10286
(Address of principal executive offices)                     (Zip code)

                               -----------------

                         ARIZONA PUBLIC SERVICE COMPANY
              (Exact name of obligor as specified in its charter)


                   Arizona                                   86-0011170
       (State or other jurisdiction                       (I.R.S. Employer
   of incorporation or organization)                      Identification No.)

400 North Fifth Street Phoenix, Arizona                        85004
(Address of principal executive offices)                     (Zip code)

                               -----------------

                             First Mortgage Bonds*
                      (Title of the indenture securities)

*Specific title(s) to be determined in connection with sale(s) of First Mortgage
Bonds

Item 1. General Information.*

        Furnish the following information as to the Trustee:

    (a) Name and address of each examining or supervising authority to which  it
        is subject.

Superintendent of Banks of the         2 Rector Street, New York, N.Y. 10006
  State of New York                      and Albany, N.Y. 12203
Federal Reserve Bank of New York       33 Liberty Plaza, New York, N.Y. 10045
Federal Deposit Insurance Corporation  550 17th Street, N.W., 
                                         Washington, D.C. 20429
New York Clearing House Association    New York, N.Y. 

    (b) Whether it is authorized to exercise corporate trust powers.

        Yes.

Item 2. Affiliations with Obligor.

        If the  obligor  is an  affiliate  of the  trustee,  describe  each such
        affiliation.

        None. (See Note on page 2.)

Item 16. List of Exhibits.

        Exhibits  identified in parentheses  below, on file with the Commission,
are  incorporated  herein by  reference as an exhibit  hereto,  pursuant to Rule
7a-29  under the Trust  Indenture  Act of 1939  (the  "Act")  and Rule 24 of the
Commission's Rules of Practice.

        1. -  A copy of the  Organization  Certificate of The Bank  of New  York
              (formerly  Irving Trust Company) as now in effect,  which contains
              the  authority  to  commence  business  and a grant of  powers  to
              exercise corporate trust powers.  (Exhibit 1 to Amendment No. 1 to
              Form T-1 filed with Registration  Statement No. 33-6215,  Exhibits
              1a and 1b to  Form  T-1  filed  with  Registration  Statement  No.
              33-21672  and  Exhibit  1 to  Form  T-1  filed  with  Registration
              Statement No. 33-29637.)

        4. -  A copy of the  existing  By-laws  of the  Trustee.  (Exhibit 4  to
              Form T-1 filed with Registration Statement No. 33-31019.)

        6. -  The  consent of the  Trustee  required  by Section  321(b) of  the
              Act. (Exhibit 6 to Form T-1 filed with Registration  Statement No.
              33-44051.)

        7. -  A  copy  of the  latest  report  of  condition   of  the   Trustee
              published   pursuant  to  law  or  to  the   requirements  of  its
              supervising or examining authority.  


- ------------------------------- 
    *Pursuant to General  Instruction B, the Trustee has responded only to Items
1, 2 and 16 of this form since to the best of the  knowledge  of the Trustee the
obligor is not in  default  under any  indenture  under  which the  Trustee is a
trustee.

                                      NOTE

    Inasmuch as this Form T-1 is being filed prior to the  ascertainment  by the
Trustee of all facts on which to base a responsive  answer to Item 2, the answer
to said Item is based on incomplete information.

    Item 2 may, however, be considered as correct unless amended by an amendment
to this Form T-1.




                                   SIGNATURE

    Pursuant to the requirements of the Act, the Trustee,  The Bank of New York,
a corporation  organized  and existing  under the laws of the State of New York,
has duly caused this  statement of eligibility to be signed on its behalf by the
undersigned,  thereunto duly authorized,  all in The City of New York, and State
of New York, on the 14th day of November, 1995.


                                       THE BANK OF NEW YORK


                                       By:     ROBERT F. MCINTYRE
                                           ---------------------------------
                                               Robert F. McIntyre
                                             Assistant Vice President
<PAGE>
                                                                               
                                                                   EXHIBIT 7
                                                                   (Page 1 of 3)
                                                                             
                                                                             
                                                                             

                      Consolidated Report of Condition of
                              THE BANK OF NEW YORK
                    of 48 Wall Street, New York, N.Y. 10286

    And  Foreign and  Domestic  Subsidiaries,  a member of the  Federal  Reserve
System,  at the close of business June 30, 1995,  published in accordance with a
call  made  by the  Federal  Reserve  Bank  of  this  District  pursuant  to the
provisions of the Federal Reserve Act.



                                                                  Dollar Amounts
ASSETS                                                              in Thousands
- ------                                                            --------------
Cash and balances due from
  depository institutions:
  Noninterest-bearing balances
     and currency and coin ................................          $ 3,025,419
  Interest-bearing balances ...............................              881,413
Securities:
  Held-to-maturity securities .............................            1,242,368
  Available-for-sale securities ...........................            1,774,079
Federal funds sold in domestic
  offices of the bank .....................................            5,503,445
Securities purchased under
  agreements to resell ....................................              200,634
Loans and lease financing
  receivables:
  Loans and leases, net of unearned
   income .................26,599,533           
  LESS: Allowance for loan and
   lease losses ..............516,283              
   Loans and leases, net of unearned
      income and allowance ................................           26,083,250
Assets held in trading accounts ...........................            1,455,639
Premises and fixed assets (including
  capitalized leases) .....................................              612,547
Other real estate owned ...................................               79,667
Investments in unconsolidated subsid-
  iaries and associated companies .........................              198,737
Customers' liability to the bank on
  acceptances outstanding .................................            1,111,464
Intangible assets .........................................              105,263
Other assets ..............................................            1,237,264
                                                                     -----------
Total assets ..............................................          $43,511,189
                                                                     ===========

<PAGE>
                                                                   EXHIBIT 7
                                                                   (Page 2 of 3)

LIABILITIES

Deposits:
  In domestic offices .....................................        $ 19,233,885
  Noninterest-bearing ..... 7,677,954           
  Interest-bearing ........11,555,931         
  In foreign offices, Edge and
  Agreement subsidiaries, and IBFs ........................          12,641,676
  Noninterest-bearing .........72,479              
  Interest-bearing ........12,569,197          
Federal funds purchased and securities
  sold under agreements to repurchase
  in domestic offices of the bank and
  of its Edge and Agreement subsid-
  iaries, and in IBFs:
  Federal funds purchased .................................           1,747,659
  Securities sold under agreements
    to repurchase .........................................              73,553
Demand notes issued to the U.S.
  Treasury ................................................             300,000
Trading liabilities .......................................             738,317
Other borrowed money:
  With original maturity of one year or less ..............           1,586,443
  With original maturity of more than
    one year ..............................................             220,877
  Bank's liability on acceptances
    executed and outstanding ..............................           1,113,102
Subordinated notes and debentures .........................           1,053,860
Other liabilities .........................................           1,489,252
                                                                   ------------
Total liabilities .........................................          40,198,624
                                                                   ------------


 EQUITY CAPITAL

Common stock ..............................................             942,284
Surplus ...................................................             525,666
Undivided profits and capital
  reserves ................................................           1,849,221
Net unrealized holding gains (losses)
  on available-for-sale securities ........................          (      662)
Cumulative foreign currency
  translation adjustments .................................          (    3,944)
                                                                   ------------
Total equity capital ......................................           3,312,565
                                                                   ------------
Total liabilities and equity capital ......................        $ 43,511,189
                                                                   ============
                                                                             
<PAGE>
                                                                   EXHIBIT 7
                                                                   (Page 3 of 3)

    I,  Robert  E.  Keilman,  Senior  Vice  President  and  Comptroller  of  the
above-named  bank do hereby  declare  that this  Report  of  Condition  has been
prepared in conformance with the  instructions  issued by the Board of Governors
of the  Federal  Reserve  System  and is true to the  best of my  knowledge  and
belief.

                                                 Robert E. Keilman



    We, the undersigned  directors,  attest to the correctness of this Report of
Condition  and  declare  that it has been  examined by us and to the best of our
knowledge  and belief has been  prepared in  conformance  with the  instructions
issued by the Board of Governors of the Federal  Reserve  System and is true and
correct.

                           J. Carter Bacot )
                           Thomas A. Renyi )     Directors
                        Samuel F. Chevalier)


                                  Exhibit 25.2
                       SECURITIES AND EXCHANGE COMMISSION
                             Washington, D.C. 20549

                               -----------------


                                    FORM T-1

                    STATEMENT OF ELIGIBILITY UNDER THE TRUST
                     INDENTURE ACT OF 1939 OF A CORPORATION
                          DESIGNATED TO ACT AS TRUSTEE

             CHECK IF AN APPLICATION TO DETERMINE ELIGIBILITY OF A
               TRUSTEE PURSUANT TO SECTION 305(b)(2) ____________

                               -----------------

                              THE BANK OF NEW YORK
              (Exact name of trustee as specified in its charter)


          New York                                           13-5160382
(Jurisdiction of incorporation                            (I.R.S. Employer
if not a U.S. national bank)                              Identification No.)

48 Wall Street, New York, New York                              10286
(Address of principal executive offices)                      (Zip code)

                               -----------------

                         ARIZONA PUBLIC SERVICE COMPANY
              (Exact name of obligor as specified in its charter)


           Arizona                                           86-0011170
(State or other jurisdiction                              (I.R.S. Employer
of incorporation or organization)                         Identification No.)

         400 North Fifth Street
            Phoenix, Arizona                                    85004
(Address of principal executive offices)                      (Zip code)

                               -----------------

                                Debt Securities*
                      (Title of the indenture securities)

*Specific  title(s)  to  be  determined  in  connection  with  sale(s)  of  Debt
Securities

Item 1. General Information.*

        Furnish the following information as to the Trustee:

    (a) Name and address of each examining or supervising  authority to which it
        is subject.

Superintendent of Banks of the          2 Rector Street, New York, N.Y. 10006
  State of New York                         and Albany, N.Y. 12203
Federal Reserve Bank of New York        33 Liberty Plaza, New York, N.Y. 10045
Federal Deposit Insurance Corporation   550 17th Street, N.W., 
                                            Washington, D.C. 20429
New York Clearing House Association     New York, N.Y. 

    (b) Whether it is authorized to exercise corporate trust powers.

        Yes.

Item 2. Affiliations with Obligor.

        If the  obligor  is an  affiliate  of the  trustee,  describe  each such
        affiliation.

        None. (See Note on page 2.)

Item 16. List of Exhibits.

        Exhibits  identified in parentheses  below, on file with the Commission,
are  incorporated  herein by  reference as an exhibit  hereto,  pursuant to Rule
7a-29  under the Trust  Indenture  Act of 1939  (the  "Act")  and Rule 24 of the
Commission's Rules of Practice.

        1. -  A copy of the  Organization  Certificate  of The Bank of New  York
              (formerly  Irving Trust Company) as now in effect,  which contains
              the  authority  to  commence  business  and a grant of  powers  to
              exercise corporate trust powers.  (Exhibit 1 to Amendment No. 1 to
              Form T-1 filed with Registration  Statement No. 33-6215,  Exhibits
              1a and 1b to  Form  T-1  filed  with  Registration  Statement  No.
              33-21672  and  Exhibit  1 to  Form  T-1  filed  with  Registration
              Statement No. 33-29637.)

        4. -  A copy of the  existing   By-laws  of the  Trustee.  (Exhibit 4 to
              Form T-1 filed with Registration Statement No. 33-31019.)

        6. -  The  consent  of the Trustee  required   by Section  321(b) of the
              Act. (Exhibit 6 to Form T-1 filed with Registration  Statement No.
              33-44051.)

        7. -  A  copy   of  the  latest  report  of  condition  of  the  Trustee
              published   pursuant  to  law  or  to  the   requirements  of  its
              supervising or examining authority.  

- -----------------------------------------
        *Pursuant to General  Instruction  B, the Trustee has responded  only to
Items 1, 2 and 16 of this form since to the best of the knowledge of the Trustee
the obligor is not in default under any  indenture  under which the Trustee is a
trustee.




<PAGE>

                                      NOTE

    Inasmuch as this Form T-1 is being filed prior to the  ascertainment  by the
Trustee of all facts on which to base a responsive  answer to Item 2, the answer
to said Item is based on incomplete information.

    Item 2 may, however, be considered as correct unless amended by an amendment
to this Form T-1.



                                   SIGNATURE

    Pursuant to the requirements of the Act, the Trustee,  The Bank of New York,
a corporation  organized  and existing  under the laws of the State of New York,
has duly caused this  statement of eligibility to be signed on its behalf by the
undersigned,  thereunto duly authorized,  all in The City of New York, and State
of New York, on the 14th day of November, 1995.


                                        THE BANK OF NEW YORK


                                        By:     ROBERT F. MCINTYRE
                                            --------------------------------
                                                Robert F. McIntyre
                                              Assistant Vice President

<PAGE>

                                                                   EXHIBIT 7
                                                                   (Page 1 of 3)
                                                                             
                                                                             
                                                                             

                      Consolidated Report of Condition of
                              THE BANK OF NEW YORK
                    of 48 Wall Street, New York, N.Y. 10286

    And  Foreign and  Domestic  Subsidiaries,  a member of the  Federal  Reserve
System,  at the close of business June 30, 1995,  published in accordance with a
call  made  by the  Federal  Reserve  Bank  of  this  District  pursuant  to the
provisions of the Federal Reserve Act.

                                                                  Dollar Amounts
ASSETS                                                              in Thousands
- ------                                                            --------------
Cash and balances due from
  depository institutions:
  Noninterest-bearing balances
     and currency and coin ................................          $ 3,025,419
  Interest-bearing balances ...............................              881,413
Securities:
  Held-to-maturity securities .............................            1,242,368
  Available-for-sale securities ...........................            1,774,079
Federal funds sold in domestic
  offices of the bank .....................................            5,503,445
Securities purchased under
  agreements to resell ....................................              200,634
Loans and lease financing
  receivables:
  Loans and leases, net of unearned
   income .................26,599,533           
  LESS: Allowance for loan and
   lease losses ..............516,283              
   Loans and leases, net of unearned
      income and allowance ................................           26,083,250
Assets held in trading accounts ...........................            1,455,639
Premises and fixed assets (including
  capitalized leases) .....................................              612,547
Other real estate owned ...................................               79,667
Investments in unconsolidated subsid-
  iaries and associated companies .........................              198,737
Customers' liability to the bank on
  acceptances outstanding .................................            1,111,464
Intangible assets .........................................              105,263
Other assets ..............................................            1,237,264
                                                                     -----------
Total assets ..............................................          $43,511,189
                                                                     ===========
<PAGE>
                                                                   EXHIBIT 7
                                                                   (Page 2 of 3)

LIABILITIES

Deposits:
  In domestic offices .....................................        $ 19,233,885
  Noninterest-bearing .....7,677,954           
  Interest-bearing .......11,555,931          
  In foreign offices, Edge and
  Agreement subsidiaries, and IBFs ........................          12,641,676
  Noninterest-bearing ........72,479             
  Interest-bearing .......12,569,197          
Federal funds purchased and securities
  sold under agreements to repurchase
  in domestic offices of the bank and
  of its Edge and Agreement subsid-
  iaries, and in IBFs:
  Federal funds purchased .................................           1,747,659
  Securities sold under agreements
    to repurchase .........................................              73,553
Demand notes issued to the U.S.
  Treasury ................................................             300,000
Trading liabilities .......................................             738,317
Other borrowed money:
  With original maturity of one year or less ..............           1,586,443
  With original maturity of more than
    one year ..............................................             220,877
  Bank's liability on acceptances
    executed and outstanding ..............................           1,113,102
Subordinated notes and debentures .........................           1,053,860
Other liabilities .........................................           1,489,252
                                                                   ------------
Total liabilities .........................................          40,198,624
                                                                   ------------



 EQUITY CAPITAL

Common stock ..............................................             942,284
Surplus ...................................................             525,666
Undivided profits and capital
  reserves ................................................           1,849,221
Net unrealized holding gains (losses)
  on available-for-sale securities ........................          (      662)
Cumulative foreign currency
  translation adjustments .................................          (    3,944)
                                                                   ------------
Total equity capital ......................................           3,312,565
                                                                   ------------
Total liabilities and equity capital ......................        $ 43,511,189
                                                                   ============
<PAGE>
                                                                   EXHIBIT 7
                                                                   (Page 3 of 3)

    I,  Robert  E.  Keilman,  Senior  Vice  President  and  Comptroller  of  the
above-named  bank do hereby  declare  that this  Report  of  Condition  has been
prepared in conformance with the  instructions  issued by the Board of Governors
of the  Federal  Reserve  System  and is true to the  best of my  knowledge  and
belief.

                                                 Robert E. Keilman



    We, the undersigned  directors,  attest to the correctness of this Report of
Condition  and  declare  that it has been  examined by us and to the best of our
knowledge  and belief has been  prepared in  conformance  with the  instructions
issued by the Board of Governors of the Federal  Reserve  System and is true and
correct.

                           J. Carter Bacot )
                           Thomas A. Renyi )     Directors
                        Samuel F. Chevalier)



                                  Exhibit 25.3

      -------------------------------------------------------------------

                       SECURITIES AND EXCHANGE COMMISSION
                            Washington, D. C. 20549
                           -------------------------

                                    FORM T-1

                            STATEMENT OF ELIGIBILITY
                    UNDER THE TRUST INDENTURE ACT OF 1939 OF
                   A CORPORATION DESIGNATED TO ACT AS TRUSTEE
                  -------------------------------------------
              CHECK IF AN APPLICATION TO DETERMINE ELIGIBILITY OF
                A TRUSTEE PURSUANT TO SECTION 305(b)(2) ________
                    ----------------------------------------

                                 CHEMICAL BANK
              (Exact name of trustee as specified in its charter)

       New York                                            13-4994650
(State of incorporation                                 (I.R.S. employer
if not a national bank)                                 identification No.)

270 Park Avenue New York, New York                            10017
(Address of principal executive offices)                    (Zip Code)

                               William H. McDavid
                                General Counsel
                                270 Park Avenue
                            New York, New York 10017
                              Tel: (212) 270-2611
           (Name, address and telephone number of agent for service)

                 ---------------------------------------------
                         Arizona Public Service Company
              (Exact name of obligor as specified in its charter)

           Arizona                                          86-0011170
(State or other jurisdiction of                          (I.R.S. employer
incorporation or organization)                           identification No.)

400 North Fifth Street
Phoenix, Arizona                                              85004
(Address of principal executive offices)                    (Zip Code)

                  -------------------------------------------
                                Debt Securities
                      (Title of the indenture securities)
             -----------------------------------------------------

                                    GENERAL

Item 1. General Information.

        Furnish the following information as to the trustee:

        (a) Name and address of each examining or supervising authority to which
            it is subject.

            New York State Banking  Department,  State House,  Albany,  New York
            12110.

            Board of Governors of the Federal Reserve System, Washington,  D.C.,
            20551

            Federal Reserve Bank of New York, District No. 2, 33 Liberty Street,
            New York, N.Y.

            Federal Deposit Insurance Corporation, Washington, D.C., 20429.


        (b) Whether it is authorized to exercise corporate trust powers.

            Yes.


Item 2. Affiliations with the Obligor.

        If the  obligor  is an  affiliate  of the  trustee,  describe  each such
        affiliation.

        None.

Item 16. List of Exhibits

         List  below  all  exhibits  filed  as  a  part  of  this  Statement  of
Eligibility.

         1. A copy of the  Articles  of  Association  of the  Trustee  as now in
effect, including the Organization Certificate and the Certificates of Amendment
dated February 17, 1969, August 31, 1977, December 31, 1980,  September 9, 1982,
February  28,  1985 and  December  2, 1991  (see  Exhibit 1 to Form T-1 filed in
connection with  Registration  Statement No. 33-50010,  which is incorporated by
reference).

         2. A copy of the  Certificate  of  Authority of the Trustee to Commence
Business  (see  Exhibit  2 to Form T-1  filed in  connection  with  Registration
Statement No. 33-50010, which is incorporated by reference).

         3.  None,  authorization  to  exercise  corporate  trust  powers  being
contained in the documents identified above as Exhibits 1 and 2.

         4. A copy of the existing By-Laws of the Trustee (see Exhibit 4 to Form
T-1 filed in  connection  with  Registration  Statement No.  33-84460,  which is
incorporated by reference).

         5. Not applicable.

         6. The  consent of the Trustee  required  by Section  321(b) of the Act
(see Exhibit 6 to Form T-1 filed in connection with  Registration  Statement No.
33-50010, which is incorporated by reference).

         7. A copy of the latest  report of condition of the Trustee,  published
pursuant to law or the requirements of its supervising or examining authority.

         8. Not applicable.

         9. Not applicable.


                                   SIGNATURE

     Pursuant  to the  requirements  of the  Trust  Indenture  Act of  1939  the
Trustee,  Chemical Bank, a corporation  organized and existing under the laws of
the State of New York,  has duly  caused this  statement  of  eligibility  to be
signed on its behalf by the undersigned,  thereunto duly authorized,  all in the
City of New York and State of New York, on the 3rd day of November, 1995.

                                       CHEMICAL BANK


                                       By     T. J. Foley
                                          ----------------------------------
                                              T. J. Foley
                                              Vice President

<PAGE>


                             Exhibit 7 to Form T-1


                                Bank Call Notice

                             RESERVE DISTRICT NO. 2
                      CONSOLIDATED REPORT OF CONDITION OF

                                 Chemical Bank
                  of 270 Park Avenue, New York, New York 10017
                     and Foreign and Domestic Subsidiaries,
                    a member of the Federal Reserve System,

             at the close of business June 30, 1995, in accordance
         with a call made by the Federal Reserve Bank of this District
             pursuant to the provisions of the Federal Reserve Act.



                                                                  Dollar Amounts
                     ASSETS                                          in Millions


Cash and balances due from depository institutions:
     Noninterest-bearing balances and
     currency and coin ..........................................       $  5,573
     Interest-bearing balances ..................................          2,681
Securities:
Held to maturity securities .....................................          6,027
Available for sale securities ...................................         18,304
Federal Funds sold and securities purchased under
     agreements to resell in domestic offices of the
     bank and of its Edge and Agreement subsidiaries,
     and in IBF's:
     Federal funds sold .........................................          1,516
     Securities purchased under agreements to resell ............            287
Loans and lease financing receivables:
     Loans and leases, net of unearned income .......... $ 73,829       
     Less: Allowance for loan and lease losses .........    1,885          
     Less: Allocated transfer risk reserve .............      104
                                                         --------       
     Loans and leases, net of unearned income,             
     allowance, and reserve .....................................         71,840
Trading Assets ..................................................         25,315
Premises and fixed assets (including capitalized
     leases) ....................................................          1,395
Other real estate owned .........................................             69
Investments in unconsolidated subsidiaries and
     associated companies .......................................            158
Customer's liability to this bank on acceptances
     outstanding ................................................          1,120
Intangible assets ...............................................            484
Other assets ....................................................          7,254
                                                                        --------

TOTAL ASSETS ....................................................       $142,023
                                                                        ========

<PAGE>

                                  LIABILITIES


Deposits
     In domestic offices .........................................    $  46,128
     Noninterest-bearing ............................... $  16,282    
     Interest-bearing ..................................    29,846       
                                                         ---------             
     In foreign offices, Edge and Agreement subsidiaries,
     and IBF's ...................................................       30,833
Noninterest-bearing .................................... $     199    
     Interest-bearing ..................................    30,634   
                                                         ---------             
Federal funds  purchased and securities  sold under
agreements to repurchase in domestic offices of the bank and
     of its Edge and Agreement subsidiaries, and in IBF's
     Federal funds purchased .....................................       16,779
     Securities sold under agreements to repurchase ..............          810
Demand notes issued to the U.S. Treasury .........................        1,001
Trading liabilities ..............................................       20,888
Other Borrowed money:
     With original maturity of one year or less ..................        6,505
With original maturity of more than one year .....................          602
Mortgage indebtedness and obligations under capitalized
     leases ......................................................           18
Bank's liability on acceptances executed and outstanding .........        1,126
Subordinated notes and debentures ................................        3,411
Other liabilities ................................................        6,287

TOTAL LIABILITIES ................................................      134,388
                                                                      ---------


                                 EQUITY CAPITAL

Common stock .....................................................          620
Surplus ..........................................................        4,524
Undivided profits and capital reserves ...........................        2,724
Net unrealized holding gains (Losses)
on available-for-sale securities .................................         (241)
Cumulative foreign currency translation adjustments ..............            8

TOTAL EQUITY CAPITAL .............................................        7,635
                                                                      ---------
TOTAL LIABILITIES, LIMITED-LIFE PREFERRED
     STOCK AND EQUITY CAPITAL ....................................    $ 142,023
                                                                      =========



I, Joseph L. Sclafani,  S.V.P. & Controller of the  above-named  bank, do hereby
declare that this Report of Condition has been prepared in conformance  with the
instructions issued by the appropriate Federal regulatory  authority and is true
to the best of my knowledge and belief.

                               JOSEPH L. SCLAFANI


We, the  undersigned  directors,  attest to the  correctness  of this  Report of
Condition  and declare  that it has been  examined by us, and to the best of our
knowledge  and belief has been  prepared in  conformance  with the  instructions
issued by the appropriate Federal regulatory authority and is true and correct.


                              WALTER V. SHIPLEY     )
                              EDWARD D. MILLER      )DIRECTORS
                              WILLIAM B. HARRISON   )



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