NEC Code Forum
if i have a 208v 3phase 200amp panel (MLO) and that panel (located in room a) is unable to accept a 3pole 125amps for a subpanel on a different room (room b), can i use the 10 ft tap rule on the 200amp lugs and put an external 3 pole 125amp breaker beside it to feed the 125amp panel in room b...