I work in a Welding shop and we have a machine that runs a pacemaster 1 pc board used to turn the head of the machine the board input is 115v and main power to the machine is 480 we installed a 480 to 120 transformer with the input H1 H2 H3 H4 output X1 & X2 I know 480V cross H2 H3 together input Leg 1 to H1 & Leg 3 to H4 now back to my 115v pc board Do I still ground X 2 to ground & still have a neutral ? We have blow the board twice also sometimes in welding the welding dc current will hit the machine will this cause my pc board to crash with X 2 to ground
