GFIC question


Old 12-02-06, 11:54 AM
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GFIC question

once a ground fault breaker trips is there a device or method to determine where the fault acutually is. I have an outside circuit for two recepticles and a continuation leg to a storage building. This worked fine for over a year and now the breaker trips periodically even if nothing is plugged into any of the recepticles. All are waterproof.
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Old 12-02-06, 12:30 PM
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Not really any thing out there that will do that. Best thing to do is isolate which part of the run to the outbuilding has the fault. Turn off the gfci breaker go to the first receptacle from the gfci breaker and disconnect everything downstream except the receptacle itself. Turn the gfci back on and see if it trips over time. If not then move to next point downstream reconnecting the first recetacle. Do the same process till you determine between what two points the fault exists. The other possiblity is a faulty gfci. If you have another gfci breaker you could connect the outdoor circuit to it temporarily and see what happens. Most of the time when a gfci trips intermittantly over time it is moisture related.

Old 12-02-06, 04:23 PM
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Start by isolating the out building, As stated moisture will do this. If the cable to the out bldg is worn, you may need to change it.
If it continues, split it in half from the breaker to there.

Or if you have the 20+ dollars, Start with the breaker, replace it.
If it's older than 5 yrs, probably a good idea anyway.

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