We have a Palomino Puma 295KBH that has a fuse right off the battery that goes up into the camper. The 15 amp fuse keeps blowing when I plug it into the truck or into the house. I couldn't even get my...
GFI's trip when the current drawn on the hot side is different than current drawn on the nuetral side indicating some current being drawn on the ground line. If your homes GFI is tripping then there is leakage somewhere to ground. It's not a dead short since a 30amp works. Be careful using too large of a fuse and melt wire or insulation instead!