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Old 01-17-2022, 06:53 PM   #18
lwmcguire
Senior Member
 
Brand: Thor Motor Coach
State: Missouri
Posts: 2,328
THOR #6903
Quote:
Originally Posted by Chance View Post
Not the way you think. It can, and it did. I covered how and why in another thread.

I give credit to a cousin who’s an electrical engineer who had to show me how the hot lead doesn’t have to have any current at all for the GFIC to trip.

I had this issue, and indeed various GFIC I plugged into tripped even when I had van’s main breaker off.

A GFIC is designed to protect against ground fault, but also trips when it detects a difference in current between hot and neutral, and it doesn’t have to be on hot side. It’s hard to follow and harder to explain, but true.


P.S. — Current flows between neutral and ground wires, hence neutral and hot no longer in perfect balance, causing house GFIC to trip.
What you said is true it takes an imbalance, same thing I said, if no imbalance then it won't trip, why would it?
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