My boat has two circuits for 110v outlets - one for the starboard side and one for the port. The outlets are daisy chained with the fist outlet on each circuit being GFI and all the rest not GFI. Everything works fine when connected to shore power or using the inverter (Freedom 2500). However when I power the circuits from the generator, the port GFI immediately trips. The starboard GFI does not trip. The tripped GFI will not reset. It will not reset with no current applied and it will not reset if I turn off the generator and switch on the inverter. The only way it will reset is if I connect to shore power. I have replaced the port GFI outlet and the problem persists. Any ideas? Jim Jim Barrentine Endeavour Trawlercat 36 "Down Time" 11470 Euclid Ave., #404 Cleveland, OH 44106 216-496-2008 N9JKB Follow our blog at http://jimanddianeboatingadventure.blogspot.com/