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Re: GFCI and Generators

Subject: Re: GFCI and Generators
From:
Date: 28 Sep 2006 10:57:45 -0700
Newsgroups: sci.electronics.repair
Fred McKenzie wrote:
> In article <l7vlh21dr7el0v8nk9697ake4sorm2rugr@xxxxxxx>, John
> <look@xxxxxxx> wrote:

> > It's entirely possible that the GFCI outlet is feeding the twist-lock
> > receptacle - most GFCI outlets can be used in pass-through mode.
> >
> > Check the wiring on the generator.
>
> John-
>
> I posted this inquirey both here and on the generator forum of
> http://smokstak.com.  Since no one has come forward to say it is a common
> problem, I went ahead and replaced the outlet.  A new one is unlikely to
> be any worse than the old one!  So far, it has been run about an hour and
> has not tripped yet.
>
> The instructions that came with the new outlet showed how to connect
> additional outlets in the pass-through mode, and the original was
> definitely not connected that way.  Both the GFCI and twist-lock outlets
> have separate feeds.
>
> Someone at smokstak suggested that a switching transient might be causing
> the tripping.  Although my loads are non-inductive, one of them has a
> thermostat that cycles periodically.  If that happens to be the cause, it
> may not matter that the GFCI is not feeding the twist-lock outlet.  The
> theory is that the switching transient at the input side of the GFCI
> outlet may be enough to make it trip.  Time will tell.
>
> Thanks for commenting.
>
> Fred

the source is inductive, not the load. Very inductive in fact.


NT


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