EXHIBIT 23.2
CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM
We consent to the incorporation by reference in this Registration Statement on Form S-8 of our
reports dated April 4, 2008 relating to the financial statements and financial statement schedule
of Preformed Line Products Company (which report expresses an unqualified opinion and includes
explanatory paragraphs regarding the Company’s adoption of new accounting standards in 2007 and
2006), and the effectiveness of Preformed Line Products Company’s internal control over financial
reporting (which report expresses an adverse opinion on the effectiveness of the Company’s internal
control over financial reporting because of a material weakness), appearing in the Annual Report on
Form 10-K of Preformed Line Products Company for the year ended December 31, 2007.
/s/ Deloitte & Touche LLP
Cleveland, Ohio
August 28, 2008