[Shop-talk] GFCI Question

[David Scheidt]

On Feb 2, 2008 7:25 PM, Randall <tr3driver at ca.rr.com> 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
dmscheidt at gmail.com