110/220 with 2x 10/2 cables

814 Views 3 Replies 3 Participants Last post by jbfan, Dec 16, 2015

zolakk

Discussion Starter · Dec 15, 2015

I recently moved into a house where the previous owner put in a shed and ran two 10/2 w/Ground UF cables to it, and connected both cables to a 20A twin breaker with handle ties. The other end in the shed is barely finished but one cable is going to a few outlets and one to a few lights. A few questions:

Is this even to code/safe? Not sure if it violates the "only one circuit to an outbuilding rule". There doesn't appear to be any ground rod installed, but I understand with a 20A breaker I don't necessarily need one?

Could I put both cables into a sub panel to get 110/220 if I need it in the future? If so, how should I handle the neutrals? Hook both up to the neutral bus bar or only use one? My gut is only one should be used

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joed

· #2 · Dec 16, 2015

It not code to run two circuits to detached structure.
You can't combine two cable and use it as a feeder. Code requires all wires to be in the same enclosure, one conduit or one three wire cable.

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zolakk

Discussion Starter · #3 · Dec 16, 2015 (Edited)

That's what I was afraid of, thanks for the confirmation. I guess what i'll do to be safe is to disconnect one of the 10/2 lines on both ends and switch to a single breaker. 220 would have been nice but not a hard requirement, better safe than sorry

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jbfan

· #4 · Dec 16, 2015

zolakk said:
That's what I was afraid of, thanks for the confirmation. I guess what i'll do to be safe is to disconnect one of the 10/2 lines on both ends and switch to a single breaker. 220 would have been nice but not a hard requirement, better safe than sorry

Just run a 10/3 Wg to the shed, change the breaker to 30 amp 2 pole, and add a 4 circuit panel in the shed.

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