Originally Posted by inutel
Update: Tried to turn the inverter on first before plugging shore power to GFCI outlet and it works! no more tripping of GFCI outlets. For info, mine came with Tripplite Inverter.
After a minute or so I can turn the inverter off without tripping the GFCI outlet...Or you could just leave the inverter in the on position and the batteries will charge just fine.
Thanks everyone for the inputs.
Just a guess, but when you turned on the inverter, you created a balanced draw inside the RT. Prior to that
when plugged in, the RT might look to the house like a runaway circuit to ground, because a vehicle ground isn't
the same as a ground in your house (for a start, nothing metal actually touches the earth, unless your muffler
or you step out of it, and then touch it resulting in a statics discharge shock as you are
now the ground circuit). As g1g said, the house GFCI might react to that, and think there was unchecked
current flow to somewhere (ground?) which causes it to trip. When you turn the inverter on, it fools the GFCI
into thinking there's no runaway current flow.
As I said, just a guess, but I think it has something to do with how the GFCI sees the current draw to the van
when it's plugged in. Maybe if nothing in the van was on and the batteries were fully charged, the current flow
would be lower, and not seen as runaway and you'd be OK, or something like that.
We need an electrician to answer this one, and that's not me.