||04-05-2013 07:07 AM
Originally Posted by Zepplin1
Was hopping someone will tell me if my wiring job is correct.. i ran 4-4-4-4 al to a spa panel on outside of house. I have a nutral hot hot and a ground attched to the box.. my hot tub has 3a wires and a small coper bare (ground). I have this box not bonded so my nutral and ground are separate in this box and( i have no ground rod at this box becase its attached to main house).my spa is on 1 50amp gfi breaker..the other spaces i put a 60amp breaker in that and ran 4-4-4-4 al to
Another box wich has no main shut off underground to my grage.. it would be hard wired into box.. Said box dosnt have a ground bar so i just bought a 3 space bar to attach to the box and run a ground wire to an 8 ft ground rod. so is it good as long as i dont put 6switches in the box? I belive its an 8 space box tho so i could put 3 two poles in it and 2 singles and that be 5 switches and id be to code correct? Would i need to do that all i need is 1 50amp and 2 single 20's... and does the wire going to the ground have to be bare copper?
As a point of information, for an up to 100 amp feed (#4 wire can't go that high) the 4'th conductof for the ground can ge #8. But since you already strung #4 you might as well leave it that way.
The grouind wire can be either bare or green covered.
The first subpanel in a detached buidling such as a garage needs a pair of ground rods and #6 copper grounding electrode conductor going to them. The subpanel on the side of the (main) house does not need extra ground rods but it would be a good idea to put a ground od at the hot tub.