Subpanel in shed (separate building)

Old 10-10-03, 08:07 AM
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Subpanel in shed (separate building)

Just looking to confirm...

I will soon be installing a subpanel (probably 40 amp) in my shed.

No metal connection to the house.

Am I correct in assuming I have two options...

1) Run UF cable with a ground to the subpanel. As I understand it, because it's a separate building I must install a grounding electrode to the subpanel...or actually 2 electrodes. The grounding electrodes and the ground from the main panel would be attached to the ground bus. In this configuration I must isolate the neutral and ground busses in the subpanel.


2) Run UF cable w/out ground to the subpanel. Attach two grounding electrodes to the sub. In this configuration, the neutral and ground busses would be bonded together in the subpanel.

I've been studying the books and this is what I'm getting out of it. But I must say I don't think I've seen UF cable without a ground.

In any case, do these sound right?
Old 10-10-03, 10:00 AM
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Thats right, but, use the 3 wire with ground (4 wires) You never know what might happen in future and its cheap ins to add fourth wire right up front.
Old 10-11-03, 12:17 AM
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put the cable into black PEX water pipe for ease of replacement, protection. Run 3 more pipes= TV&ph, h2o, gas. cheap, available in 300'

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