A quick solution is to use a 2 to 3 prong adaptor and plug it into
the GFCI, so that the equipment grounding function is isolated
between the generator and the system wiring.
Ground the generator separately to a rod if it is fixed in place. If
it is a portable generator, this isn't required, as the outlets on
the generator still have the neutrals and equipment grounds bonded to
the frame.
This method avoids parallel neutral currents, which are explicitly
forbidden by the code.
At 09:57 AM 10/13/2013, you wrote:
Wrenches
I recently visited a site where their backup gen has GFCI outlets
used for input to the FX inverter.
They finally tried to charge the batteries, and it trips the GFCI.
As a test I replaced it with a standard outlet and it works fine.
I have never used a gen with GFCIs, In fact most are hard wired.
Is the outlet the problem or is there really a ground fault?
Is there a safety issue?
I'm pretty sure the neutral and ground are bonded at the mains panel.
Thanks
Jeremy Rodriguez
All Solar
Sent by Jeremy's iPhone. Sorry for typos and shorthand!
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