15 Amp Breaker Wire Size. You may have one or more circuits dedicated to lights however with each being controlled by a 15 amp breaker. For a maximum of 40 amps you ll need a wire.
For a maximum of 30 amps you ll need a wire gauge of 10. Breaker size wire size based on copper thhn wire increase one size when using aluminum. You may have one or more circuits dedicated to lights however with each being controlled by a 15 amp breaker.
The minimum wire size for those 15 amp circuits is 14 gauge.
You may have one or more circuits dedicated to lights however with each being controlled by a 15 amp breaker. For a maximum of 40 amps you ll need a wire. 40 amp wire size. 30 amp wire size.