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Tracing a ground fault in a 1970s apartment building took me two full days

It was in a Chicago three-flat, and the fault kept jumping between circuits. I finally found it behind a kitchen cabinet where a nail had pierced old NM cable. Who else has a better method than just pulling breakers and hoping?

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3 Comments

jadegarcia7mo ago

Pulling breakers and hoping" is the worst. I got a cheap toner for that exact job and it saves SO much time.

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the_barbara7mo ago

My buddy learned that "pulling breakers" lesson the hard way, @jadegarcia.

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nancy306mo ago

Used to wing it with guesswork, but a cheap toner made me a total convert.

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