Zinsco Electrical Panel Overheating Photographs

Infrared Photos of Overheating Zinsco Electrical Panel / Breakers
- Jon Bolton's IR and other photographs document an overheating Zinsco™ electrical panel
Questions & answers about where overheating occurs in Zinsco electrical panels & breakes: Field failure report indicates severe failures of Zinsco electrical panels / circuit breakers
References

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Here we provide field failure photographs of overheating (and non-tripping) in a Zinsco electrical panel. This website discusses the electrical, fire, and shock hazards associated with Zinsco electrical components, circuit breakers, electrical panels, including certain Sylvania electrical panels and breakers which are in fact of the same product design and origin. Our page top infrared photo of an overheating Zinsco electrical panel main circuit breaker (left hand white-colored [hot] circuit breaker in the lowest pair in the photo above) as well as other Zinsco overheat photographs in this article were provided by Florida home inspector Jon Bolton.

Readers should see ZINSCO SYLVANIA ELECTRICAL PANELS for a review of this topic. Also see ZINSCO FAILURE REPORTS for a list of field events or failures involving Zinsco or Zinsco-Sylvania electrical equipment. Additional field failure photographs of Zinsco failures are at ZINSCO FAILURE PHOTOGRAPHS.

Zinsco Electrical Panel Failure Report - This Field Failure Report Includes Infrared Photographs of Overheating Zinsco Circuit Breaker/Panel Components

Zinsco Main No-Trip, wire burn-up report provided by Jon Bolton, a professional home inspector (The Inspectagator) in central Florida (see photo at left).

Notice the burned wires connected to the bottom double-pole Zinsco circuit breaker? Mr. Bolton wrote:

I have done 2 inspections in this complex, ironically (or not) both had issues. One had a complete side blow out. Sent a letter to management, no response, hmm.

Our photographs (below) provided by Mr. Bolton, show both normal transmitted light images and infrared images of overheated components in Zinsco electrical panel. With the two Zinsco photos side by side, you can see that the discolored Zinsco bus at lower left in the first photo (below left) is overheating in the IR photo taken at the same time (below right). There is more going on than just what shows here (continue below).

Zinsco main no trip, wiring burnup (C) Daniel Friedman J Bolton

Our photographs (below) show both normal transmitted light images and infrared images of an overheated main circuit breaker - the left-hand Zinsco circuit breaker in the pair.

Our photographs (below) show both normal transmitted light images and infrared images of overheating in the side of the lowest, left Zinsco circuit breaker mounted in this electrical panel. This is the same area where other field photographs show actual melting or circuit breaker molded case-blow-out in some circuit breakers.

Submissions of Zinsco or other electrical component field failure reports and failure photographs wanted. Contact the web author by email

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Technical Reviewers & References

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Thanks to Jon Bolton, professional home inspector in central Florida, the INSPECTAGATOR for field photographs of Zinsco electrical panels and circuit breakers, including the no-trip burnup Zinsco photo used in this article. Mr. Bolton can be contacted at 407-678-HOME (4663) or by email jon@inspectagator.com. Mr. Bolton uses infrared imaging equipment in field investigations.

Books & Articles on Building & Environmental Inspection, Testing, Diagnosis, & Repair

Our recommended books about building & mechanical systems design, inspection, problem diagnosis, and repair, and about indoor environment and IAQ testing, diagnosis, and cleanup are at the InspectAPedia Bookstore. Also see our Book Reviews - InspectAPedia.

The Home Reference Book - the Encyclopedia of Homes, Carson Dunlop & Associates, Toronto, Ontario, 25th Ed., 2012, is a bound volume of more than 450 illustrated pages that assist home inspectors and home owners in the inspection and detection of problems on buildings. The text is intended as a reference guide to help building owners operate and maintain their home effectively. Field inspection worksheets are included at the back of the volume. Special Offer: For a 10% discount on any number of copies of the Home Reference Book purchased as a single order. Enter INSPECTAHRB in the order payment page "Promo/Redemption" space. InspectAPedia.com editor Daniel Friedman is a contributing author.

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Building inspection education & report writing systems from Carson, Dunlop & Associates Ltd

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
"Electrical System Inspection Basics," Richard C. Wolcott, ASHI 8th Annual Education Conference, Boston 1985.
"Simplified Electrical Wiring," Sears, Roebuck and Co., 15705 (F5428) Rev. 4-77 1977 [Lots of sketches of older-type service panels.]
"How to plan and install electric wiring for homes, farms, garages, shops," Montgomery Ward Co., 83-850.
"Simplified Electrical Wiring," Sears, Roebuck and Co., 15705 (F5428) Rev. 4-77 1977 [Lots of sketches of older-type service panels.]
"Home Wiring Inspection," Roswell W. Ard, Rodale's New Shelter, July/August, 1985 p. 35-40.
"Evaluating Wiring in Older Minnesota Homes," Agricultural Extension Service, University of Minnesota, St. Paul, Minnesota 55108.
"Electrical Systems," A Training Manual for Home Inspectors, Alfred L. Alk, American Society of Home Inspectors (ASHI), 1987, available from ASHI. [DF NOTE: I do NOT recommend this obsolete publication, though it was cited in the original Journal article as it contains unsafe inaccuracies]
"Basic Housing Inspection," US DHEW, S352.75 U48, p.144, out of print, but is available in most state libraries.
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