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Re: [Shop-talk] GFCI Question

To: Randall <>
Subject: Re: [Shop-talk] GFCI Question
From: "David Scheidt" <>
Date: Sat, 2 Feb 2008 19:40:57 -0500
On Feb 2, 2008 7:25 PM, Randall <> wrote:
> > It's worth pointing out that an external tester will not work
> > on a GFCI that's connected to a two-wire circuit.
> Sure it will, if you do the current balance test to an external ground (or
> even between a protected neutral and an unprotected hot).  Checking the
> ground/neutral short detection function should work too.

The external testers I've seen are all self containted.  Plug them in,
push a button, and they trip the GFCI.  No choice about where to
direct the leakage current.


David Scheidt
Support Team.Net

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