150 Amp Breaker Wire Size. 40 amp wire size. This load center is built with a shielded copper bus bar that is plated for reliability.
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Breaker size wire size based on copper thhn wire increase one size when using aluminum. For a maximum of 30 amps you ll need a wire gauge of 10. 30 amp wire size.
You ll need to use 1 0 which has a cu max rating of 150 amps.
Never overload the wire. You must use the correct size wire for the current. 30 amp wire size. Square d 100 amp sub panel.
