No phase shorted to hull, it would show on the ground detect circuit. Lifting the neutral/ground from the high leg of the transformer helped tremendously with the heat. Only time will tell if the electrolysis has abated.... And the transformer stopped buzzing.
I have a 100 foot aluminum workboat that has the capability of using shore power. The shorepower comes in from shore as 240 Delta. Inside the shore power distribution panel the neutral and ground are connected, as per local code. 4 wires come to the boat in the shore power cable, 3 phases and...
