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Re: House circuits without Ground wires - GFCIs
> > but this it typical of this house. It has an actual
> > fuse box. And it is all 2 wire. All my things are 3
> > prong. I buy a lot of adapters. I can't even instal
> > a GFI because there is no groundwire so there wouldn't
> > be a point.
>
> This is why GFI receptacles have 2 screw connections
> labelled line and load,
> just for this case. You simply take apart the
> connections in the box and
> connect one set of black and white wires to the line
> side, and the other set
> of black and white to the load side. No need for a
> ground connection in
> this case. Just make sure the white wires go on the
> silver screws and the
> black wires go on the brass screws.
>
> GFI's measure the difference in current between the hot
> wire and neutral,
> not hot to ground.
>
> Terry
Terry hit it on the head. If you do not have a ground
wire, you need a GFCI even more than the person that does.
In many places, the applicable electrical code requires
that two-wire circuits be GFCI protected to compensate for
the fact that a local ground wire is not in place.
Scott H.
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