Question? Just ask us!
Free Encyclopedia of Building & Environmental Inspection, Testing, Diagnosis, Repair
InspectAPedia ® Home
ELECTRICAL INSPECTION, DIAGNOSIS, REPAIR
ALUMINUM WIRING HAZARDS & REPAIRS
Aluminum Wiring Summary Page for Public Use
BUILDING SAFETY HAZARDS GUIDE
BOOKSTORE - ELECTRICAL
Cadet & Encore Heater Recall
CIRCUIT BREAKER FAILURE
Classified CIRCUIT BREAKER WARNING
CUTLER HAMMER PANEL FIRE
DEFINITIONS of ELECTRICAL TERMS
DMM Digital Multimeter HOW TO USE
ELECTRIC PANEL INSPECTION
ELECTRICAL GROUND SYSTEM INSPECTION
FIRE SAFETY Checklist, CPSC
GFCI PROTECTION,Testing GFCIs AFCIs
KNOB & TUBE WIRING
LIGHTNING PROTECTION SYSTEMS
LOW VOLTAGE BUILDING WIRING
MURRAY SIEMENS Recall
PUSHMATIC - BULLDOG PANELS
RUST in ELECTRICAL PANELS
SAFETY for ELECTRICAL INSPECTORS
SIEMENS MURRAY Recall
VOLTS / AMPS MEASUREMENT EQUIP
VOLTAGE MEASUREMENT METHODS
ZINSCO / SYLVANIA HAZARDS
This article explains the reasons for and effects of inadequate contact between aluminum conductor wires inside of a twist-on connector.
Green links show where you are. © Copyright 2014 InspectApedia.com, All Rights Reserved.
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 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.
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.
Click any image to see an enlarged version.
17. The characteristic heating in a band around the connector shows us where the heat is being generated. In all of those failures shown, from both lab and homes, the heat is generated by current
flowing in the connector spring. Here, all of the current is passing from wire-to-wire through sections of the steel spring.
Frequently Asked Questions (FAQs)
No FAQs have been posted for this page. Try the search box below or CONTACT US by email if you cannot find the answer you need at InspectApedia.
Questions & answers or comments about the failure of connectors used in aluminum wiring repairs.
Use the "Click to Show or Hide FAQs" link just above to see recently-posted questions, comments, replies, try the search box just below, or if you prefer, post a question or comment in the Comments box below and we will respond promptly.
Search the InspectApedia website
HTML Comment Box is loading comments...
Technical Reviewers & References