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Color photos of aluminum wire repair procedures, and photos of failed connectors are included.
This document series describes hazards with existing aluminum wiring repair products, explains the aluminum wiring failure mechanism,
and reviews recommended retrofit procedures including use of readily-available materials.
We also provide a MASTER INDEX to this topic, or you can try the page top or bottom SEARCH BOX as a quick way to find information you need.
Aluminum Wiring Repair Methods: Aluminum to Copper Twist-on Splices - CPSC Meeting 9/28/95 - Index to Contents, Presentation Conclusion
Aluminum Wiring Repair Procedure - Page 2 Color photos and descriptive captions from CPSC Meeting 9/28/95.
In this document aluminum wire twist-on connector failures and repair procedures are described,
including aluminum wire repair methods which work and methods which do not work and are unsafe.
This information was presented to the US Consumer Product Safety Commission by Dr. J. Aronstein, 9/28/95.
The minutes of that meeting were obtained under the Freedom of Information Act and posted by Daniel Friedman January 1996.
The CPSC presentation on aluminum wiring included conclusions that are given at the bottom of this page.
William H. King, Jr. Manager October 10, 1995
Div. of Electrical Engineering
U.S. Consumer Product Safety Commission
4330 East West Highway Rm. 611 North
Bethesda MD, 20814
Subject: Meeting 9/28/95, Twist-on splices, aluminum to copper wire.
Dear Mr. King:
Enclosed per your request is a color copy of the slides used in my presentation
at the subject meeting. Descriptive captions have been added to convey the
significance that the slides had in the context of the meeting. An index by
subject is as follows:
Each aluminum wiring repair step listed below provides text, photographs and captions for those slides.
SCOTCHLOK 3M REPAIR CONNECTORS for twist-on copper pigtail splice with aluminum wire, Slide #'s 35-49 - an alternative aluminum wiring repair method useful when the AMP TYCO COPALUM repair method is not available
ALUMINUM WIRE REPAIR METHODS to reduce risk in buildings with Aluminum Electrical Wiring - Overview of Acceptable Repair Practices (in the document you are presently viewing)
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:
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