A new bathroom requires the installation of a 20A branch circuit. What size wire is required for this circuit?
- A14 AWG
- 12 AWG
- C10 AWG
- D8 AWG
Exam tip
Always refer to the appropriate code section for the correct wire size for a given circuit.
Why B is correct
According to 2023 NEC 210.11(A), a 20A branch circuit requires a 12 AWG wire for most residential applications.