I have the 3 wires that are screwed into the block but they aren't color coded they are just grey wires .And they tie into the block and they all go to the heating elements .That's why I figure that they all are hot and the blocks usually have one that's a ground and is silver because the other...
Hi my son got a used electric garage furnace gave to him . The only reason the guy took it down was he added on to his garage .It looks like new even though its a older one and the guy told him it worked good .But he didn't know what the 3 wires coming out the back went to .Its 220 and has two...