What gauge wire should use for running a sub panel 50' away from main panel? 125 amp sub panel.?

Question

What gauge wire should use for running a sub panel 50' away from main panel? 125 amp sub panel.?

Answer 1

If your putting in a 125 sub you better have an awful big home panel or nothing drawing off it. You better call an electrician before you over load some thing.

Answer 2

Call a qualified professional electrician to do the work. If you are qualified, you would have the tables at hand to look it up.  It depends on too many things to be answered with the information you gave.

Answer 3

,You can read about it in the NEC Handbook. Leave it up to a licensed Electrician to install it to code for you.

Answer 4

125 amps is the maxumum for that sub panel most countys and citys will require you to have a main circuit breaker on a sub panel with that being said you would have to rate according to your main breaker. home depot has a wire chart you can use 50 feet should not give you any voltage drop