Re: Question associated with all of the Variac talk.

Don Black <donald_black@...>

The point is if the active and neutral currents aren't equal, the difference normally flows to ground, either via the ground lead or you.

Don Black.

On 11-Mar-13 2:02 PM, sipespresso wrote:

I believe a GFI trips when the currents in the neutral and hot wires aren't equal. It doesn't directly have to do with current in the ground leg, as far as I know. -Kurt

--- In TekScopes@..., "Rob" wrote:

> I do know they trip due to current flow on
> the ground leg

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