UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

SCHEDULE 13D

Under the Securities Exchange Act of 1934
(Amendment No. )*

If the filing person has previously filed a statement on Schedule 13G to report the acquisition that is the subject of this Schedule 13D, and is filing this schedule because of Rule 13d-1(e), Rule 13d-1(f) or Rule 13d-1(g), check the following box. ¨

Note: Schedules filed in paper format shall include a signed original and five copies of the schedule, including all exhibits. See Rule 13d-7(b) for other parties to whom copies are to be sent.

*The remainder of this cover page shall be filled out for a reporting person's initial filing on this form with respect to the subject class of securities, and for any subsequent amendment containing information which would alter disclosures provided in a prior cover page.

The information required on the remainder of this cover page shall not be deemed to be "filed" for the purpose of Section 18 of the Securities Exchange Act of 1934 ("Act") or otherwise subject to the liabilities of that section of the Act but shall be subject to all other provisions of the Act (however, see the Notes).

CUSIP No. 740444 10 4

CUSIP No. 740444 10 4

This Schedule 13D relates to the Common Shares, $2 par value per share (“Common Shares”), of Preformed Line Products Company (the “Company”), an Ohio corporation, with principal offices at 660 Beta Drive, Mayfield Village, Ohio 44143.

The source of consideration for the Reporting Person’s prior acquisitions of Common Shares is personal funds.

This Schedule 13D is being filed by the Reporting Person to report a decrease in the Reporting Person’s beneficial ownership of the Common Shares.

Except as otherwise described in this Schedule 13D, the Reporting Person does not have any plans or proposals which relate to or would result in any of the events or matters described in clauses (a) through (j) of Item 4 to Schedule 13D. The Reporting Person reserves the right to formulate plans and/or make proposals, and take such actions with respect to their investment in the Company, including any or all of the actions set forth in clauses (a) through (j) of Item 4 of Schedule 13D.

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Robert G. Ruhlman serves as Chairman of the Board of Directors, President and Chief Executive Officer of the Company. His business address is Preformed Line Products Company, 660 Beta Drive, Mayfield Village, Ohio 44143. During the last five years, Robert G. Ruhlman has not been convicted in a criminal proceeding (excluding traffic violations or similar misdemeanors). During the last five year, Robert G. Ruhlman has not been a party to a civil proceeding of a judicial or administrative body of competent jurisdiction and as a result of such proceeding was or is subject to a judgment, decree or final order enjoining further violations of, or prohibiting or mandating activities subject to, federal or state securities laws or finding any violation with respect to such laws. Robert G. Ruhlman is a citizen of the United States.

Randall M. Ruhlman serves as President of Ruhlman Motorsports. His business address is c/o Preformed Line Products Company, 660 Beta Drive, Mayfield Village, Ohio 44143. During the last five years, Randall M. Ruhlman has not been convicted in a criminal proceeding (excluding traffic violations or similar misdemeanors). During the last five year, Randall M. Ruhlman has not been a party to a civil proceeding of a judicial or administrative body of competent jurisdiction and as a result of such proceeding was or is subject to a judgment, decree or final order enjoining further violations of, or prohibiting or mandating activities subject to, federal or state securities laws or finding any violation with respect to such laws. Randall M. Ruhlman is a citizen of the United States.(c) None.

Item 6 of the Schedule 13D is amended and restated in its entirety as follows:

On August 14, 2012, the Company purchased at a price per share of $54.92, 20,940 Common Shares from the Reporting Person pursuant a Shares Purchase Agreement, dated August 14, 2012, between the Company and the Reporting Person.

On May 10, 2011, the Company purchased at a price per share of $69.21, 15,172 Common Shares from the Irrevocable Trust pursuant a Shares Purchase Agreement, dated May 10, 2011, between the Company and the Reporting Person.

On August 17, 2010, the Company purchased at a price per share of $32.43, 32,687 Common Shares from the Reporting Person pursuant a Shares Purchase Agreement, dated August 17, 2010, between the Company and the Reporting Person.

Item 7 of the Schedule 13D is amended to add the following:

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CUSIP No. 740444 10 4

SIGNATURE

After reasonable inquiry and to the best of his knowledge and belief, the undersigned hereby certifies that the information set forth in this statement is true, complete and correct.

Dated: February 28, 2013

POWER OF ATTORNEY

Know all by these presents, that the undersigned hereby constitutes and appoints each of Robert G. Ruhlman, Eric R. Graef, Caroline Saylor Vaccariello and Janet A. Spreen, signing singly, the undersigned’s true and lawful attorney-in-fact to:

1.          execute for and on behalf of the undersigned, in the undersigned’s capacity as a beneficial owner of common shares of Preformed Line Products Company (the “Company”), reports to the United States Securities and Exchange Commission (the “SEC”) on Form ID, Schedule 13D and Schedule 13G, as applicable, and any amendments thereto in accordance with the Securities Exchange Act of 1934, as amended, and the rules thereunder (the “Schedules”); and

2.          do and perform any and all acts for and on behalf of the undersigned which may be necessary or desirable to complete and execute such Form ID, the Schedules, complete and execute any amendment or amendments thereto, and timely file such Schedules with the SEC and any stock exchange or similar authority.

The undersigned hereby grants to each such attorney-in-fact full power and authority to do and perform any and every act and thing whatsoever requisite, necessary, or proper to be done in the exercise of any of the rights and powers herein granted, as fully to all intents and purposes as the undersigned might or could do if personally present, with full power of substitution or revocation, hereby ratifying and confirming all that such attorney-in-fact, or such attorney-in-fact’s substitute or substitutes, shall lawfully do or cause to be done by virtue of this power of attorney and the rights and powers herein granted. The undersigned acknowledges that the foregoing attorneys-in-fact, in serving in such capacity at the request of the undersigned, are not assuming, nor is the Company assuming, any of the undersigned’s responsibilities to comply with Section 13 of the Securities Exchange Act of 1934.

This Power of Attorney shall remain in full force and effect until the undersigned is no longer required to file the Schedules with respect to the undersigned’s beneficial ownership of the Company’s common shares, unless earlier revoked by the undersigned in a signed writing delivered to the foregoing attorneys-in-fact.

IN WITNESS WHEREOF, the undersigned has caused this Power of Attorney to be executed as of the date set forth below.

Date: February 28, 2013