<PAGE>
Exhibit 23.3
CONSENT OF INDEPENDENT PUBLIC ACCOUNTANTS
As independent public accountants, we hereby consent to the incorporation by
reference in this Registration Statement on Form S-3 of Tyco International Ltd.
of our report dated February 12, 1999 (except with respect to the matter
disclosed in Note 18--Merger with Tyco International Ltd., as to which the date
is April 2, 1999) on our audit of the consolidated balance sheet of AMP
Incorporated and subsidiaries as of September 30, 1998, and the related
consolidated statements of income, shareholders' equity and cash flows for the
year ended September 30, 1998 and the nine months ended September 30, 1997,
included in the Tyco International Ltd. Form 10-K and 10-K/A filed on December
13, 1999 and June 26, 2000, respectively, and to all references to our Firm
included in this Registration Statement.
/s/ Arthur Andersen LLP
Philadelphia, Pennsylvania
November 8, 2000
