UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, D.C. 20549

FORM 8-K

CURRENT REPORT

PURSUANT TO SECTION 13 OR 15(d) OF THE

SECURITIES EXCHANGE ACT OF 1934

Date of Report (Date of earliest event reported): September 24, 2012

General Cable Corporation

(Exact name of registrant as specified in its charter)

Registrant’s telephone number, including area code: (859) 572-8000

Not Applicable

(Former name or former address, if changed since last report)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

On September 24, 2012, Alcan Products Corporation, a Texas corporation (the “Additional Guarantor”), and JPMorgan Chase Bank, N.A. (“JPMorgan”) entered into a U.S. Guarantor Joinder Agreement (the “Joinder Agreement”) to the Credit Agreement, dated as of July 21, 2011 (as amended on August 1, 2012), by and among General Cable Industries, Inc., a Delaware corporation (“U.S. Borrower”) and wholly owned subsidiary of General Cable Corporation, a Delaware corporation (the “Company”), General Cable Company, an unlimited liability company organized under the laws of Nova Scotia and wholly owned subsidiary of the Company, as Canadian Borrower, the Company, certain other subsidiaries of the Company party thereto, as guarantors, the Lenders (as defined therein) party thereto from time to time and JPMorgan, as administrative agent for the Lenders (the “Credit Agreement”). Pursuant to the Joinder Agreement, among other things, the Additional Guarantor has been added as a guarantor of the U.S. Borrower’s obligations incurred pursuant to the Credit Agreement and the other documents entered into in connection therewith.

Also on September 25, 2012, the Company, the Additional Guarantor, the other Guarantors (as defined therein) and U.S. Bank National Association, as trustee (the “Trustee”), entered into the following supplemental indentures (the “Supplemental Indentures”):

The Supplemental Indentures supplement the Indentures to add the Additional Guarantor as a guarantor of the Company’s obligations under the Indentures and the notes issued pursuant thereto.

The foregoing summary of the terms of the Supplemental Indentures is qualified in its entirety by reference to the text of the Supplemental Indentures, which are filed as Exhibits 4.1, 4.2 and 4.3, respectively, to this report and incorporated herein by reference. The foregoing description of the Joinder Agreement does not purport to be complete and is qualified in its entirety by reference to the Joinder Agreement, which the Company intends to file with the Securities and Exchange Commission at a future date.

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

INDEX TO EXHIBITS

EXHIBITS