Rick,
You are absolutely correct. GFCIs only sense the differential current
between the HOT and NEUTRAL lines. Any imbalance greater than ~5mA
causes a trip. The current that causes the imbalance can flow to the
green wire ground or to any leakage path at all and the GFCI does not
know or care.
73,
Larry, W0QE
On 1/26/2011 7:20 PM, Rick Karlquist wrote:
> K8RI (Roger) wrote:
>> I'd add that the green wire is needed for ground fault breakers and
>> outlets to work.
> I don't see why a GFCI circuit should need a green wire
> to work. It should be able to detect an imbalance between the
> neutral and phase currents independently of what is going on with
> ground.
>
> Rick N6RK
>
> _______________________________________________
> RFI mailing list
> RFI@contesting.com
> http://lists.contesting.com/mailman/listinfo/rfi
>
_______________________________________________
RFI mailing list
RFI@contesting.com
http://lists.contesting.com/mailman/listinfo/rfi
|