[Elecraft] RE: static ground

Steven Pituch spituch at ev1.net
Sun Jun 11 13:16:39 EDT 2006


Hi Ron and all,
Actually the name GFCI is a bit misleading I think.  You don't need a ground
for a GFCI to work.  That's why they recommend their use in upgrading two
wire systems.  The GFCI senses a current difference between the neutral and
the hot wire.  If the difference is greater than 5 milliamps, the GFCI is
supposed to trip and disable the circuit.  Thus if you get a shock and the
GFCI trips you were in essence the "ground fault" in "Ground Fault Circuit
Interupter".  Having a third wire as ground is nice to have, but it seems
that putting a GFCI in a two wire circuit greatly increases the safety of
the circuit.

Steve, W2MY

-----Original Message-----
From: elecraft-bounces at mailman.qth.net
[mailto:elecraft-bounces at mailman.qth.net] On Behalf Of Ron D'Eau Claire

Don makes a good point about running a ground wire through the house, at
least to the critical outlets near the ham shack. I'd include, as a minimum,
kitchen and bath outlets as well so they can be equipped with ground-fault
interrupters.

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