broken hot wire??

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  #1  
Old 10-07-18, 07:47 AM
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broken hot wire??

The current was interrupted for only part of a line. I was able to isolate the wire by doing an ohm test. I found no resistance with the hot wire but resistance with the white ground. I am assuming the hot wire broke?? Should this have tripped the breaker? Could there be another cause for this?
Thanks
Alan
 
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Old 10-07-18, 09:16 AM
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ou could have had an overload that tripped the breaker but in the short time before the breaker tripped, one of the connections say between a wire and a receptacle overheated and became loose so as to give you a lot of resistance.

A reminder: Turn off power before measuring resistance or continuity.
 
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Old 10-07-18, 11:23 AM
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The breaker will no trip If the line (hot) wire broke or came loose from a termination. Inspect at the last working and first not working termination points for a loose wire. If none, verify the the cable's hot wire between the 2 points has no resistance and replace.
 
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