Photograph of Aluminum wire in the
electric panelAluminum Wiring Twist-On Connector Usage Information

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U.S. CPSC (Consumer Product Safety Commission) advice about using twist-on connectors (such as the Ideal 65 Twister purple twist on connector) for repairing aluminum electrical wiring.

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U.S. CPSC does not recommend use of Twist On Connectors (including the Ideal No. 65) for Aluminum Wiring Repair

Ideal 65 Twister meltdownThis information was obtained under the Freedom of Information Act and posted by Daniel Friedman January 1996 or prior.

July 10, 1998


Dr. Jesse Aronstein
Consulting Engineer
c/o General Delivery
Galway, NY 12074

Re: Twist-On Connectors for Aluminum Wiring

Dear Dr. Aronstein:

In answer to your recent inquiry, the U.S. Consumer Product Safety Commission (CPSC) staff does not consider the use of the twist-on connector (including the Ideal No.65) to be a suitable repair for aluminum wiring in residences.

Acceptable repairs are those identified in the CPSC publication "Repairing Aluminum Wiring" (copy enclosed).


William H. King, Jr.
Division of Electrical Engineering



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