Aluminum Wiring Information
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U.S. CONSUMER PRODUCT SAFETY COMMISSION

WASHINGTON. D.C. 20207

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).

Sincerely,

William H. King, Jr.

Director

Division of Electrical Engineering

Enc

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ALUMINUM WIRING HAZARDS & REPAIRS - see detailed links at page left

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The Aluminum Wiring Information Website Aluminum Wiring Hazards and Repairs: in-depth info, photos, documents. Main Page.

The Aluminum Electrical Wiring Hazard Explained (in the document you are presently viewing)
How to Reduce the Risk in buildings with Aluminum Electrical Wiring - Overview of Acceptable Repair Practices (in the document you are presently viewing)
Aluminum Electrical Repair Method Details - "How to" details, how to identify, COPALUM repair, alternative repairs, history, products, research, source of special AMP TYCO COPALUM connectors & COPALUM Electricians (in the document you are presently viewing)
COPALUM Electricians: Sources of TYCO COPALUM -Certified/Trained Aluminum Wire Repair Services (in the document you are presently viewing)
Other Products, Ideal 65 Purple Twister (not recommended), & other Aluminum Wire Products/Articles (in the document you are presently viewing)

The Aluminum Wiring Bibliography: extensive resources on Aluminum Wiring
Aluminum Wire Failure Reports & Photos: Real life aluminum wiring field failure reports
Reducing the Fire Hazards in Aluminum-Wired Homes, Jess Aronstein, Ph.D., This document answers most technical questions about the hazards and remedies of aluminum electrical wiring. Some of the sections of this very thorough document are listed below:
Fire Hazards With Aluminum to Copper Twist-on Connectors & Acceptable Aluminum Wiring Repair Practices Color Photos, Current Issues. 9/28/95 CPSC Meeting Minutes
"Is YOUR Aluminum Wiring Safe?" article discussing safety claims made by some people without looking at the wiring, J. Aronstein, 11/21/95
"Repairing Aluminum Wiring," U.S. Consumer Product Safety Commission Publication CPSC#516 available online
* Safety Hazards and Safe Inspection Procedures for Electrical and Home Inspectors at Residential Electric Panels
Electrical Panels, How to Inspect in buildings, safety for electrical inspectors, electrical panel, fusing, wiring defects, defective products. Inspection Class Presentation
Electrical System & Wiring Hazard Inspection, Detection, Cause, Remedy, Prevention - Main Electrical Page
Electrical Books - Recommended books on electrical inspection, electrical wiring, electrical problem diagnosis, and electrical repair can be found in the Electrical Books section of the InspectAPedia Bookstore. (courtesy of Amazon.com)
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