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Old 10-08-2013, 11:07 PM   #1
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Sub-Panel Replacement

Hello all! I've got an interesting situation here I'm dealing with that I need some advice on.

I recently have started renovations on a new house and it's needing some electrical work.

The original setup had 4-2 aluminum feeder for the hot leads running down the side of the house to the meter, wrapped in a stranded neutral. There was no disconnect at the meter. 2-2 with stranded ground was run from the meter to a new 100 amp main-lug box in one of the bedrooms, without a main breaker.

I already plan on replacing the meter box, feeder line, and installing a main disconnect. My problem is though, the box in the bedroom will be acting as a sub-panel.

Would it be acceptable to run 4th conductor along side the 2-2 that is already in place? I would use this as a neutral, and use the previous stranded neutral as the new ground to the main disconnect. Thanks


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Old 10-09-2013, 04:11 AM   #2
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All the conductors need to be in the same raceway or sheath. You will need to replace the cable.


Answers based on the National Electrical Code. Local amendments may apply. Check with your local building officials.
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