EXHIBIT 32.1

                             CERTIFICATE PURSUANT TO
                             18 U.S.C. SECTION 1350,
                             AS ADOPTED PURSUANT TO
                  SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

In connection with the Annual Report of Belden CDT Inc. (the "Company") on Form
10-K for the period ended December 31, 2005 as filed with the Securities and
Exchange Commission on the date hereof (the "Report"), I, John S. Stroup,
Chairman of the Board, President and Chief Executive Officer of the Company,
certify, pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906
of the Sarbanes-Oxley Act of 2002, that:

      (1)   The Report fully complies with the requirements of section 13(a) or
            15(d) of the Securities Exchange Act of 1934; and

      (2)   The information contained in the Report fairly presents, in all
            material respects, the financial condition and results of operations
            of the Company.

/s/ JOHN S. STROUP
John S. Stroup
President and  Chief Executive Officer
March 16, 2006