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gfci question sligo 07-01-2005
---> Re: gfci question Banister Stairw...07-01-2005
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Posted by sligo on July 1, 2005, 6:31 pm
Will subject device trip on a short as well as a ground fault?
Seamus J. Wilson



Posted by Banister Stairwell on July 1, 2005, 7:27 pm
> Will subject device trip on a short as well as a ground fault?
> Seamus J. Wilson

Hi Seamus,

The information presented here should help answer your question.

http://www.codecheck.com/gfci_principal.htm



Posted by sligo on July 1, 2005, 9:54 pm
Thank you for the informative reply.
Best,
Seamus J.
> > Will subject device trip on a short as well as a ground fault?
> > Seamus J. Wilson
>
> Hi Seamus,
>
> The information presented here should help answer your question.
>
> http://www.codecheck.com/gfci_principal.htm
>
>



Posted by Tim Fischer on July 1, 2005, 11:01 pm

> Will subject device trip on a short as well as a ground fault?
> Seamus J. Wilson

I suppose anything's possible, but I would say no. A short is not a ground
fault.

I've shorted GFCI circuits in the past and the outlet has never tripped.

-Tim



Posted by Jeff Wisnia on July 1, 2005, 11:37 pm
sligo wrote:
> Will subject device trip on a short as well as a ground fault?
> Seamus J. Wilson
>
>

If it's a GFCI "outlet" it shouldn't if the short is only between hot
and neutral.

If its a GFCI "breaker" in a panel, then it of should trip on a short of
low enough impedance to cause the current to exceeed the breaker's trip
level.

Jeff

--
Jeffry Wisnia

(W1BSV + Brass Rat '57 EE)

"Truth exists; only falsehood has to be invented."

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