"Similarly with an inverter connected to a battery that is not grounded a GFCI should never trip. Theoretically in a floating system the power has to come out of the Hot lead and return in the Neutral. There will never be a ground fault to trip a GFCI. There is no ground."
I'm not an electrician, but my limited understanding is that a Ground Fault Circuit Interrupter monitors the hot and neutral leads and interrupts the circuit almost instantly if it detects a difference between them. The ground lead does not come into it. The Xantrex Freedom HF 1000 that I mentioned in an earlier post is *UL458* -listed. "The two UL standards differ in how they handle AC system grounding: *UL1741*-listed inverters must allow for the neutral-to-ground bond to *only* occur at the main AC service panel. *UL458*-listed inverters have internal neutral-to-ground switching relays to allow for this bond to occur at the inverter if in off-grid mode, OR at the utility power service if it is connected to a utility hookup." Perhaps I'm missing something. Derek Kennedy SV Tortuga, 30 mk1 Ballantyne's Cove, NS
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