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 Quarterly Report of Belden CDT Inc. (the COMPANY) on Form
10-Q for the period ended June 30, 2005 as filed with the Securities and
Exchange Commission on the date hereof (the REPORT), I, C. Baker Cunningham,
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/ C. Baker Cunningham

C. Baker Cunningham
President and Chief Executive Officer
August 8, 2005