Which minimum copper conductor size is required for a 15-ampere branch circuit?

Which minimum copper conductor size is

Multiple choice — select the best answer

A10 AWG
B12 AWG
C14 AWG
D16 AWG

✓ Correct answer: C. 14 AWG 14 AWG copper conductors are the minimum size for 15-ampere branch circuits. Smaller gauges such as 16 AWG are not permitted for general wiring branch circuits.

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Topic: Branch Circuits, Feeders & Services

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Which minimum copper conductor size is required for a 15-ampere branch circuit?

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