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I'd like to get some expert/nec compliant advice on my wiring layout. This week I'll be wiring the foyer, porch, living room, patio, kitchen, dining, gallery and hallway to master bedroom.

I was planning to use 10-2 for right-side of house vs. 12-2 because of distance and voltage drop from breaker panel. Would I be able to use 10-2 on a 20amp breaker? I am also think 6-3 for electric stove.

Thanks.

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isherwood
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true. lion
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2 Answers2

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Unless the run is extremely long (we're talking 200 feet) or has a high sustained load you won't have any problem with 12/2. Most tools/appliances I know of are designed to work properly down to 110v. Assuming a voltage drop of 3% you are still comfortably above 110v, unless you anticipate a sustained heavy load near max capacity (20A) that will start heating up the wire more than usual.

Working with 10/2 is much more cumbersome than 12/2 in in standard receptacle boxes if you're pigtailing (parallel circuit). It's even more cumbersome when it's not necessary.

Benjamin Lane
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12\2 can be run up to 400 feet on 20 amp breaker

Daniel Griscom
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Adam Houck
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