Plugging a 120v boat into 240v

[nebster]

Originally Posted by ebs001

The dock beaker only trips when a branch circuit breaker is turned on. If the leak to ground is on the "neutral" side it would occur as soon as the main was turned on. In the receptacle circuit the OP says there are no connected loads. The leakage therefore has to be the hot wire side and in the wires coming off the load side of the breakers.

I'm not sure that that's guaranteed to be true, although I follow your reasoning and you could well be right.

If the current flow is 0, however, there is no way for there to be any leakage.