125 Amp Breaker Wire Size. I m looking for suggestions on wire size this is what was given to me by a friend of mine. I will be installing a 100amp breaker in my main panel.
The run is no more than 100ft. The run will be about 100 feet and the breaker boxes are 125 amp. What size wire should i use in aluminum as it is cheaper.
What size wire should i use in aluminum as it is cheaper.
I understand i could use a 125 amp breaker but i do not need the additional amperage. Breaker size wire size based on copper thhn wire increase one size when using aluminum conductors at 115 volts at 230 volts 15 amp 14 1 380 2 760 20 amp 12 1 840 3 680 30 amp 10 seldom used on 115 voltage 5 520 40 amp 8 seldom used on 115 voltage 7 360 50 amp 6 seldom used on 115 voltage 9 200 60 amp 6 seldom used on 115 voltage. I m looking for suggestions on wire size this is what was given to me by a friend of mine. What size wire should i use in aluminum as it is cheaper.
