<PAGE>
Exhibit 24
UNITED TECHNOLOGIES CORPORATION
Power Of Attorney
KNOW ALL PERSONS BY THESE PRESENTS that the undersigned director or
officer, or both, of UNITED TECHNOLOGIES CORPORATION, a Delaware corporation
(the "Corporation"), hereby constitutes and appoints William H. Trachsel, David
J. FitzPatrick and David G. Nord and each of them, his or her true and lawful
attorneys-in-fact and agents, with full power of substitution and
resubstitution, for him or her and in his or her name, place and stead, in any
and all capacities, to sign and file (i) a registration statement on Form S-3,
or such other form as may be recommended by counsel, to be filed with the
Securities and Exchange Commission (the "Commission"), and any and all
amendments and post-effective amendments thereto, and any and all instruments
and documents filed as a part of or in connection with the said registration
statement or amendments thereto, covering the offering and issuance for
aggregate gross proceeds to the Corporation of up to U.S. $500,000,000 (or its
equivalent in one or more foreign currencies or currency units as determined at
the date of issuance) of unsubordinated non-convertible debentures, notes and/or
other debt obligations of the Corporation, warrants to purchase such debt
obligations, warrants relating to the purchase or sale of one or more foreign
currencies or currency units and/or warrants relating to increases or decreases
in any specified stock index or indices, and (ii) any and all additional
registration statements pursuant to Rule 462(b) relating to the registration
statement described in clause (i) of this sentence; granting unto said
attorneys-in fact and agents, and each of them, full power and authority to do
and perform each and every act and thing requisite and necessary to be done in
and about the premises, as fully and to all intents and purposes as he or she
might or could do in person, hereby ratifying and confirming all that the said
attorneys-in-fact and agents, or any one of them, shall do or cause to be done
by virtue hereof.
IN WITNESS WHEREOF, the undersigned has subscribed these presents this
28th day of November, 2000.
/s/ Antonia Handler Chayes
----------------------------
Antonia Handler Chayes
<PAGE>
UNITED TECHNOLOGIES CORPORATION
Power of Attorney
KNOW ALL PERSONS BY THESE PRESENTS that the undersigned director or
officer, or both, of UNITED TECHNOLOGIES CORPORATION, a Delaware corporation
(the "Corporation"), hereby constitutes and appoints William H. Trachsel, David
J. FitzPatrick and David G. Nord and each of them, his or her true and lawful
attorneys-in-fact and agents, with full power of substitution and
resubstitution, for him or her and in his or her name, place and stead, in any
and all capacities, to sign and file (i) a registration statement on Form S-3,
or such other form as may be recommended by counsel, to be filed with the
Securities and Exchange Commission (the "Commission"), and any and all
amendments and post-effective amendments thereto, and any and all instruments
and documents filed as a part of or in connection with the said registration
statement or amendments thereto, covering the offering and issuance for
aggregate gross proceeds to the Corporation of up to U.S. $500,000,000 (or its
equivalent in one or more foreign currencies or currency units as determined at
the date of issuance) of unsubordinated non-convertible debentures, notes and/or
other debt obligations of the Corporation, warrants to purchase such debt
obligations, warrants relating to the purchase or sale of one or more foreign
currencies or currency units and/or warrants relating to increases or decreases
in any specified stock index or indices, and (ii) any and all additional
registration statements pursuant to Rule 462(b) relating to the registration
statement described in clause (i) of this sentence; granting unto said
attorneys-in fact and agents, and each of them, full power and authority to do
and perform each and every act and thing requisite and necessary to be done in
and about the premises, as fully and to all intents and purposes as he or she
might or could do in person, hereby ratifying and confirming all that the said
attorneys-in-fact and agents, or any one of them, shall do or cause to be done
by virtue hereof.
IN WITNESS WHEREOF, the undersigned has subscribed these presents this
28th day of November, 2000.
/s/ George David
----------------------------
George David
<PAGE>
UNITED TECHNOLOGIES CORPORATION
Power of Attorney
KNOW ALL PERSONS BY THESE PRESENTS that the undersigned director or
officer, or both, of UNITED TECHNOLOGIES CORPORATION, a Delaware corporation
(the "Corporation"), hereby constitutes and appoints William H. Trachsel, David
J. FitzPatrick and David G. Nord and each of them, his or her true and lawful
attorneys-in-fact and agents, with full power of substitution and
resubstitution, for him or her and in his or her name, place and stead, in any
and all capacities, to sign and file (i) a registration statement on Form S-3,
or such other form as may be recommended by counsel, to be filed with the
Securities and Exchange Commission (the "Commission"), and any and all
amendments and post-effective amendments thereto, and any and all instruments
and documents filed as a part of or in connection with the said registration
statement or amendments thereto, covering the offering and issuance for
aggregate gross proceeds to the Corporation of up to U.S. $500,000,000 (or its
equivalent in one or more foreign currencies or currency units as determined at
the date of issuance) of unsubordinated non-convertible debentures, notes and/or
other debt obligations of the Corporation, warrants to purchase such debt
obligations, warrants relating to the purchase or sale of one or more foreign
currencies or currency units and/or warrants relating to increases or decreases
in any specified stock index or indices, and (ii) any and all additional
registration statements pursuant to Rule 462(b) relating to the registration
statement described in clause (i) of this sentence; granting unto said
attorneys-in fact and agents, and each of them, full power and authority to do
and perform each and every act and thing requisite and necessary to be done in
and about the premises, as fully and to all intents and purposes as he or she
might or could do in person, hereby ratifying and confirming all that the said
attorneys-in-fact and agents, or any one of them, shall do or cause to be done
by virtue hereof.
IN WITNESS WHEREOF, the undersigned has subscribed these presents this
28th day of November, 2000.
/s/ Jean-Pierre Garnier
----------------------------
Jean-Pierre Garnier
<PAGE>
UNITED TECHNOLOGIES CORPORATION
Power of Attorney
KNOW ALL PERSONS BY THESE PRESENTS that the undersigned director or
officer, or both, of UNITED TECHNOLOGIES CORPORATION, a Delaware corporation
(the "Corporation"), hereby constitutes and appoints William H. Trachsel, David
J. FitzPatrick and David G. Nord and each of them, his or her true and lawful
attorneys-in-fact and agents, with full power of substitution and
resubstitution, for him or her and in his or her name, place and stead, in any
and all capacities, to sign and file (i) a registration statement on Form S-3,
or such other form as may be recommended by counsel, to be filed with the
Securities and Exchange Commission (the "Commission"), and any and all
amendments and post-effective amendments thereto, and any and all instruments
and documents filed as a part of or in connection with the said registration
statement or amendments thereto, covering the offering and issuance for
aggregate gross proceeds to the Corporation of up to U.S. $500,000,000 (or its
equivalent in one or more foreign currencies or currency units as determined at
the date of issuance) of unsubordinated non-convertible debentures, notes and/or
other debt obligations of the Corporation, warrants to purchase such debt
obligations, warrants relating to the purchase or sale of one or more foreign
currencies or currency units and/or warrants relating to increases or decreases
in any specified stock index or indices, and (ii) any and all additional
registration statements pursuant to Rule 462(b) relating to the registration
statement described in clause (i) of this sentence; granting unto said
attorneys-in fact and agents, and each of them, full power and authority to do
and perform each and every act and thing requisite and necessary to be done in
and about the premises, as fully and to all intents and purposes as he or she
might or could do in person, hereby ratifying and confirming all that the said
attorneys-in-fact and agents, or any one of them, shall do or cause to be done
by virtue hereof.
IN WITNESS WHEREOF, the undersigned has subscribed these presents this
28th day of November, 2000.
/s/ Karl J. Krapek
----------------------------
Karl J. Krapek
<PAGE>
UNITED TECHNOLOGIES CORPORATION
Power of Attorney
KNOW ALL PERSONS BY THESE PRESENTS that the undersigned director or
officer, or both, of UNITED TECHNOLOGIES CORPORATION, a Delaware corporation
(the "Corporation"), hereby constitutes and appoints William H. Trachsel, David
J. FitzPatrick and David G. Nord and each of them, his or her true and lawful
attorneys-in-fact and agents, with full power of substitution and
resubstitution, for him or her and in his or her name, place and stead, in any
and all capacities, to sign and file (i) a registration statement on Form S-3,
or such other form as may be recommended by counsel, to be filed with the
Securities and Exchange Commission (the "Commission"), and any and all
amendments and post-effective amendments thereto, and any and all instruments
and documents filed as a part of or in connection with the said registration
statement or amendments thereto, covering the offering and issuance for
aggregate gross proceeds to the Corporation of up to U.S. $500,000,000 (or its
equivalent in one or more foreign currencies or currency units as determined at
the date of issuance) of unsubordinated non-convertible debentures, notes and/or
other debt obligations of the Corporation, warrants to purchase such debt
obligations, warrants relating to the purchase or sale of one or more foreign
currencies or currency units and/or warrants relating to increases or decreases
in any specified stock index or indices, and (ii) any and all additional
registration statements pursuant to Rule 462(b) relating to the registration
statement described in clause (i) of this sentence; granting unto said
attorneys-in fact and agents, and each of them, full power and authority to do
and perform each and every act and thing requisite and necessary to be done in
and about the premises, as fully and to all intents and purposes as he or she
might or could do in person, hereby ratifying and confirming all that the said
attorneys-in-fact and agents, or any one of them, shall do or cause to be done
by virtue hereof.
IN WITNESS WHEREOF, the undersigned has subscribed these presents this
28th day of November, 2000.
/s/ Frank P. Popoff
----------------------------
Frank P. Popoff
<PAGE>
UNITED TECHNOLOGIES CORPORATION
Power of Attorney
KNOW ALL PERSONS BY THESE PRESENTS that the undersigned director or
officer, or both, of UNITED TECHNOLOGIES CORPORATION, a Delaware corporation
(the "Corporation"), hereby constitutes and appoints William H. Trachsel, David
J. FitzPatrick and David G. Nord and each of them, his or her true and lawful
attorneys-in-fact and agents, with full power of substitution and
resubstitution, for him or her and in his or her name, place and stead, in any
and all capacities, to sign and file (i) a registration statement on Form S-3,
or such other form as may be recommended by counsel, to be filed with the
Securities and Exchange Commission (the "Commission"), and any and all
amendments and post-effective amendments thereto, and any and all instruments
and documents filed as a part of or in connection with the said registration
statement or amendments thereto, covering the offering and issuance for
aggregate gross proceeds to the Corporation of up to U.S. $500,000,000 (or its
equivalent in one or more foreign currencies or currency units as determined at
the date of issuance) of unsubordinated non-convertible debentures, notes and/or
other debt obligations of the Corporation, warrants to purchase such debt
obligations, warrants relating to the purchase or sale of one or more foreign
currencies or currency units and/or warrants relating to increases or decreases
in any specified stock index or indices, and (ii) any and all additional
registration statements pursuant to Rule 462(b) relating to the registration
statement described in clause (i) of this sentence; granting unto said
attorneys-in fact and agents, and each of them, full power and authority to do
and perform each and every act and thing requisite and necessary to be done in
and about the premises, as fully and to all intents and purposes as he or she
might or could do in person, hereby ratifying and confirming all that the said
attorneys-in-fact and agents, or any one of them, shall do or cause to be done
by virtue hereof.
IN WITNESS WHEREOF, the undersigned has subscribed these presents this
28th day of November, 2000.
/s/ Harold A. Wagner
----------------------------
Harold A. Wagner
<PAGE>
UNITED TECHNOLOGIES CORPORATION
Power of Attorney
KNOW ALL PERSONS BY THESE PRESENTS that the undersigned director or
officer, or both, of UNITED TECHNOLOGIES CORPORATION, a Delaware corporation
(the "Corporation"), hereby constitutes and appoints William H. Trachsel, David
J. FitzPatrick and David G. Nord and each of them, his or her true and lawful
attorneys-in-fact and agents, with full power of substitution and
resubstitution, for him or her and in his or her name, place and stead, in any
and all capacities, to sign and file (i) a registration statement on Form S-3,
or such other form as may be recommended by counsel, to be filed with the
Securities and Exchange Commission (the "Commission"), and any and all
amendments and post-effective amendments thereto, and any and all instruments
and documents filed as a part of or in connection with the said registration
statement or amendments thereto, covering the offering and issuance for
aggregate gross proceeds to the Corporation of up to U.S. $500,000,000 (or its
equivalent in one or more foreign currencies or currency units as determined at
the date of issuance) of unsubordinated non-convertible debentures, notes and/or
other debt obligations of the Corporation, warrants to purchase such debt
obligations, warrants relating to the purchase or sale of one or more foreign
currencies or currency units and/or warrants relating to increases or decreases
in any specified stock index or indices, and (ii) any and all additional
registration statements pursuant to Rule 462(b) relating to the registration
statement described in clause (i) of this sentence; granting unto said
attorneys-in fact and agents, and each of them, full power and authority to do
and perform each and every act and thing requisite and necessary to be done in
and about the premises, as fully and to all intents and purposes as he or she
might or could do in person, hereby ratifying and confirming all that the said
attorneys-in-fact and agents, or any one of them, shall do or cause to be done
by virtue hereof.
IN WITNESS WHEREOF, the undersigned has subscribed these presents this
28th day of November, 2000.
/s/ Andre Villeneuve
----------------------------
Andre Villeneuve
<PAGE>
UNITED TECHNOLOGIES CORPORATION
Power of Attorney
KNOW ALL PERSONS BY THESE PRESENTS that the undersigned director or
officer, or both, of UNITED TECHNOLOGIES CORPORATION, a Delaware corporation
(the "Corporation"), hereby constitutes and appoints William H. Trachsel, David
J. FitzPatrick and David G. Nord and each of them, his or her true and lawful
attorneys-in-fact and agents, with full power of substitution and
resubstitution, for him or her and in his or her name, place and stead, in any
and all capacities, to sign and file (i) a registration statement on Form S-3,
or such other form as may be recommended by counsel, to be filed with the
Securities and Exchange Commission (the "Commission"), and any and all
amendments and post-effective amendments thereto, and any and all instruments
and documents filed as a part of or in connection with the said registration
statement or amendments thereto, covering the offering and issuance for
aggregate gross proceeds to the Corporation of up to U.S. $500,000,000 (or its
equivalent in one or more foreign currencies or currency units as determined at
the date of issuance) of unsubordinated non-convertible debentures, notes and/or
other debt obligations of the Corporation, warrants to purchase such debt
obligations, warrants relating to the purchase or sale of one or more foreign
currencies or currency units and/or warrants relating to increases or decreases
in any specified stock index or indices, and (ii) any and all additional
registration statements pursuant to Rule 462(b) relating to the registration
statement described in clause (i) of this sentence; granting unto said
attorneys-in fact and agents, and each of them, full power and authority to do
and perform each and every act and thing requisite and necessary to be done in
and about the premises, as fully and to all intents and purposes as he or she
might or could do in person, hereby ratifying and confirming all that the said
attorneys-in-fact and agents, or any one of them, shall do or cause to be done
by virtue hereof.
IN WITNESS WHEREOF, the undersigned has subscribed these presents this
28th day of November, 2000.
/s/ Charles R. Lee
----------------------------
Charles R. Lee
<PAGE>
UNITED TECHNOLOGIES CORPORATION
Power of Attorney
KNOW ALL PERSONS BY THESE PRESENTS that the undersigned director or
officer, or both, of UNITED TECHNOLOGIES CORPORATION, a Delaware corporation
(the "Corporation"), hereby constitutes and appoints William H. Trachsel, David
J. FitzPatrick and David G. Nord and each of them, his or her true and lawful
attorneys-in-fact and agents, with full power of substitution and
resubstitution, for him or her and in his or her name, place and stead, in any
and all capacities, to sign and file (i) a registration statement on Form S-3,
or such other form as may be recommended by counsel, to be filed with the
Securities and Exchange Commission (the "Commission"), and any and all
amendments and post-effective amendments thereto, and any and all instruments
and documents filed as a part of or in connection with the said registration
statement or amendments thereto, covering the offering and issuance for
aggregate gross proceeds to the Corporation of up to U.S. $500,000,000 (or its
equivalent in one or more foreign currencies or currency units as determined at
the date of issuance) of unsubordinated non-convertible debentures, notes and/or
other debt obligations of the Corporation, warrants to purchase such debt
obligations, warrants relating to the purchase or sale of one or more foreign
currencies or currency units and/or warrants relating to increases or decreases
in any specified stock index or indices, and (ii) any and all additional
registration statements pursuant to Rule 462(b) relating to the registration
statement described in clause (i) of this sentence; granting unto said
attorneys-in fact and agents, and each of them, full power and authority to do
and perform each and every act and thing requisite and necessary to be done in
and about the premises, as fully and to all intents and purposes as he or she
might or could do in person, hereby ratifying and confirming all that the said
attorneys-in-fact and agents, or any one of them, shall do or cause to be done
by virtue hereof.
IN WITNESS WHEREOF, the undersigned has subscribed these presents this
28th day of November, 2000.
/s/ Sanford I. Weill
----------------------------
Sanford I. Weill
<PAGE>
UNITED TECHNOLOGIES CORPORATION
Power of Attorney
KNOW ALL PERSONS BY THESE PRESENTS that the undersigned director or
officer, or both, of UNITED TECHNOLOGIES CORPORATION, a Delaware corporation
(the "Corporation"), hereby constitutes and appoints William H. Trachsel, David
J. FitzPatrick and David G. Nord and each of them, his or her true and lawful
attorneys-in-fact and agents, with full power of substitution and
resubstitution, for him or her and in his or her name, place and stead, in any
and all capacities, to sign and file (i) a registration statement on Form S-3,
or such other form as may be recommended by counsel, to be filed with the
Securities and Exchange Commission (the "Commission"), and any and all
amendments and post-effective amendments thereto, and any and all instruments
and documents filed as a part of or in connection with the said registration
statement or amendments thereto, covering the offering and issuance for
aggregate gross proceeds to the Corporation of up to U.S. $500,000,000 (or its
equivalent in one or more foreign currencies or currency units as determined at
the date of issuance) of unsubordinated non-convertible debentures, notes and/or
other debt obligations of the Corporation, warrants to purchase such debt
obligations, warrants relating to the purchase or sale of one or more foreign
currencies or currency units and/or warrants relating to increases or decreases
in any specified stock index or indices, and (ii) any and all additional
registration statements pursuant to Rule 462(b) relating to the registration
statement described in clause (i) of this sentence; granting unto said
attorneys-in fact and agents, and each of them, full power and authority to do
and perform each and every act and thing requisite and necessary to be done in
and about the premises, as fully and to all intents and purposes as he or she
might or could do in person, hereby ratifying and confirming all that the said
attorneys-in-fact and agents, or any one of them, shall do or cause to be done
by virtue hereof.
IN WITNESS WHEREOF, the undersigned has subscribed these presents this
30th day of November, 2000.
/s/ Jamie S. Gorelick
----------------------------
Jamie S. Gorelick