Hi Bob,
Sounds like you live in Texas.
Your theory is pretty much correct. I am a professional Engineer, and home
inspector in Texas. The default way to deal with (update) a two wire
circuit is to install a GFCI in the upstream outlet and slave the GFCI to
the downstream outlets. However if
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
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