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Old 07-20-2009, 11:23 AM   #16
UAW SKILLED TRADES
 
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Yes thats a possibility but a grounded neutral must have current flow. Without a load operating there will be no current flow on the neutral unless it is faulted to a hot wire. If the neutral was faulted to ground nothing would happen at the gfci when power was restored because there is no current flow till a load operates. If the gfci was tripping when he turned on a load I would say you are correct but it trips only when that ground is connected and under no load on the branch circuit. So what I'm saying is without load on the branch circuit the hot wire has to be faulted. It may be that the neutral and ground and hot are all involved. But the breaker is holding so whatever the hot is faulted to is very suttle.
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Old 07-20-2009, 11:28 AM   #17
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I hate speculating with soooo many questions.

It's going to one of those "that would have been nice to know" things

I still don't know if it's a fuse or a breaker.

I do know that:

A) It's not a newer/stock installation because the HR would go directly to bathroom #1 first.

B) A neutral to ground short on the line side wouldn't affect it.

When you get back to it, check the line VS load wiring.

Line = power in, load = power out
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Old 07-20-2009, 07:12 PM   #18
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Speculating (to the nTH degree)


Quote:
Originally Posted by Stubbie View Post
Yes thats a possibility but a grounded neutral must have current flow. Without a load operating there will be no current flow on the neutral unless it is faulted to a hot wire. If the neutral was faulted to ground nothing would happen at the gfci when power was restored because there is no current flow till a load operates. If the gfci was tripping when he turned on a load I would say you are correct but it trips only when that ground is connected and under no load on the branch circuit. So what I'm saying is without load on the branch circuit the hot wire has to be faulted. It may be that the neutral and ground and hot are all involved. But the breaker is holding so whatever the hot is faulted to is very suttle.
At this point, we're all speculating to the n-th. Degree. We might as well be on Wall Street. Certainly, there is incomplete information here. Most likely, the branch circuit extends beyond the bathroom receptacle. Assuming that is the case, there might be a load albeit a small one somewhere along the line. On a more practical level, jdf... needs to do some Continuity testing on all parts of the circuit. That'll reveal where the unwanted conductivity is! (No Matter What)Don't Drink and Drive!!!
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Old 07-20-2009, 08:18 PM   #19
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Bad GFCI?
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Old 07-20-2009, 08:40 PM   #20
UAW SKILLED TRADES
 
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Not likely... the OP replaced one he thought was bad and the new one is also tripping out....at least that is how it appears on the surface.


As 220/221 and spark plug have said more details will help but I don't think we are speculating that much if the results given by the OP are correct.
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