Exhibit 32.1
CERTIFICATION OF PRINCIPAL EXECUTIVE OFFICER
PURSUANT TORULE 13a-14(b) ORRULE 15d-14(b)
OF THE SECURITIES EXCHANGE ACT OF 1934 AND 18 U.S.C. §1350
OF THE SECURITIES EXCHANGE ACT OF 1934 AND 18 U.S.C. §1350
The certification set forth below is being submitted in connection with theQuarterly Report onForm 10-Qfor the quarterly period ended September 30, 2007 (the “Report”) for the purpose of complying withRule 13a-14(b) orRule 15d-14(b) of the Securities Exchange Act of 1934 (the “Exchange Act”) and 18 U.S.C. § 1350.
Dominic J. Pileggi, the Chief Executive Officer of Thomas & Betts Corporation (the “Corporation”), certifies that, to the best of his knowledge:
1. the Report fully complies with the requirements of Section 13(a) or 15(d) of the Exchange Act; and
2. the information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Corporation.
/s/ Dominic J. Pileggi
Dominic J. Pileggi
Chairman and Chief Executive Officer
Dated this 6th day of November, 2007.