Preformed Line Products (PLPC) 10-Q 2007 Q1 Quarterly report

Exhibit 32.2

CERTIFICATION PURSUANT TO SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

I, Eric R. Graef, certify, pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that:

1) The Quarterly Report on Form 10-Q of Preformed Line Products Company for the period ended March 31, 2007 which this certification accompanies 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 Preformed Line Products Company.

May 10, 2007	/s/	Eric R. Graef
		Eric R. Graef Vice President — Finance and Treasurer Principal Accounting Officer)

A signed original of this written statement required by Section 906 has been provided to Preformed Line Products Company and will be retained by Preformed Line Products Company and furnished to the Securities and Exchange Commission or its staff upon request.