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 Mobile ViewELECTRICAL INSPECTION, DIAGNOSIS, REPAIR AFCIs ARC FAULT CIRCUIT INTERRUPTERS ALUMINUM SECs & WIRING ALUMINUM WIRING HAZARDS ALUMINUM WIRE FAILURE REPORTS 240V Heat Pump Circuit Ideal-65 "Twister" Burnup in Field Use Electrical Panel Overheat Electrical Receptacle Burnup Copper to Aluminum Pigtail Overheat Twist-on connector overheating cases ALUMINUM WIRE RISK Aluminum Wiring Safety Aluminum Wiring - CPSC Publication #516-PDF Aluminum Wiring - CPSC Publication #516-HTML ALUMINUM WIRING, HOW TO RECOGNIZE ALUMINUM WIRING, HOW TO REDUCE THE RISK HOW TO REDUCE THE AL WIRE RISK: DETAILS COPALUM ALUMINUM WIRE CONNECTORS ALUMI-CONN ALUMINUM WIRE CONNECTORS ALUMINUM GROUND WIRES MAKING SPACE FOR ALUMINUM WIRE CONNECTORS REDUCING THE FIRE HAZARD IN ALUMINUM-WIRED HOMES - Full Report ALUMINUM WIRING REPAIR ELECTRICIANS ALUMINUM WIRING REPAIR, Other Products ALUMINUM WIRING REPAIR COALR & CU-AL DEVICES ALUMINUM WIRING REPAIR NOT-Recommended Products CPSC Against Twist-On Aluminum Wire Connectors CPSC Letter Aluminum Wiring Connectors CPSC Twist-On Wiring Connectors Meeting Log Ideal 65 Connector for Aluminum Wire Repair? COALR & CU-AL Devices? Scotchlok 3M connector Aluminum Wiring Repair Methods - CPSC Meeting ALUMINUM WIRING ADVICE FOR RENTERS ALUMINUM WIRING BIBLIOGRAPHY Aluminum Wiring Notes for Home Inspectors Aluminum Wiring Summary Page for Public Use BOOKSTORE - ELECTRICAL DIRECTORY OF ELECTRICIANS - Aluminum Wiring DIRECTORY OF ELECTRICIANS - FPE Zinsco Reducing the Fire Hazards in Aluminum-Wired Homes THERMAL EXPANSION of MATERIALS UNDERGROUND SERVICE LATERALS VOLTAGE MEASUREMENT EQUIPMENT WIND ENERGY SYSTEMS WIND TURBINES & LIGHTNING ZINSCO / SYLVANIA HAZARDS More Information |
The condition and safety of aluminum electrical wiring and devices in specific individual homes cannot be reliably assured by someone who has not examined it! Yet in response to inquiry by owners or buyers of homes served by aluminum electrical wiring, we have recurrent reports that some individuals in the field, building inspectors, electricians, building code officials, industry representatives, express the view that "Aluminum wiring in your house not likely to be a real problem," or words to that effect. © Copyright 2012 InspectAPedia.com, All Rights Reserved. Information Accuracy & Bias Pledge is at below-left. Use page top links to major topics or use links at the left of each page to navigate within topics and documents at this website. Green links show where you are in a document series or at this website. The condition of aluminum electrical wiring connections varies over an very wide range from building to building and among individual circuits and devices within specific buildings. It is possible for very unsafe conditions to be present, but not visible. It is inaccurate and dangerous for anyone to make any representation about the condition of aluminum wiring in a specific property "over the telephone," and without on-site specific inspection and testing by a qualified expert who is familiar with aluminum wiring issues. In explanation, we've attached the text portion a 2/3/94 letter from an expert on aluminum wiring, addressing this problem. The author, Dr. J. Aronstein, can be contacted at protune@aol.com, or contact me, Daniel Friedman. Extensive information about identifying and repairing aluminum wiring safety hazards is at ALUMINUM WIRING HAZARDS & REPAIRS.
February 3, 1994
(original addressee info)
(deleted by DJF)
Subject: Aluminum wiring (deleted)
Dear Mr. (deleted)
You requested my comments on the safety of the aluminum wiring at (deleted)
and my review of the written materials provided. The question to be answered
is this - are the connections to the aluminum wire at (deleted) safe? Without
determining what types of connections are in the system and how they were
made, nobody can answer the question.
Are the receptacles back-wired or screw-terminal wired? If screw-terminal
wired, how is the wire placed under the screw (straight in or wrapped around)?
Are the screws steel or brass? Are the screws plated with zinc on the neutral
side? What kind of splicing connectors exist in the system? If twist-on
connectors ("wire nuts"), are they the live spring or restrained spring type?
Did the installer abrade the aluminum wire before connecting to remove the
oxide? Were the spliced wires pre-twisted together? Was a corrosion inhibitor
used on all connections? Given the answers to these questions (from direct
observations), an evaluation of the relative safety of the wiring system at
(deleted) can be made.
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