400' run on 12 g wire.

[jbfan74]

2 parallel runs of 12 guage but NOT just one

Not code compliant.
You can not run parallel less than #1

[Chad Schloss]

Not code compliant.
You can not run parallel less than #1

i've read that before too. why is that? i don't understand why you cannot parrell and be compliant.

[hj]

quote;

2 parallel runs of 12 guage but NOT just one

And that would cost a LOT MORE than a #10 wire because you would have to also have separate neutrals. #10 would be adequate, lthough there would still be a sizable voltage drop.