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PAult
 Post subject: Extension Cord Fault
PostPosted: Tue Jun 20, 2017 9:38 am 

Joined: Wed Oct 29, 2008 6:05 am
Posts: 39
Using the extension cord as a disconnect for a 1/2HP motor caused the cord to catch on fire. GFCI or circuit breaker feeding the cord did not trip. 120VAC.


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BarryB
 Post subject: Re: Extension Cord Fault
PostPosted: Mon Jun 26, 2017 8:21 am 

Joined: Wed Dec 21, 2011 5:00 pm
Posts: 10
Probably caused by excessive resistance at plug vs. over amperage. This would result in more heat than could normally be dissipated by the plug until it ignited.
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JBD
 Post subject: Re: Extension Cord Fault
PostPosted: Mon Jun 26, 2017 8:28 am 
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Joined: Mon Jan 18, 2010 11:35 am
Posts: 604
Location: Wisconsin
BarryB wrote:
Probably caused by excessive resistance at plug vs. over amperage. This would result in more heat than could normally be dissipated by the plug until it ignited.


Yeah, and there appears to be little to no damage around the ground pin, so it looks like a GFCI might not have noticed this event at all.
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