In residential wiring, a 12 AWG copper conductor is protected by a __________-ampere or lower OCPD.

Question

Quizplus · Accepted Answer

According to the National Electric Code (NEC), a 12 AWG copper conductor is rated for 20 amperes at a maximum temperature of 90°C. Therefore, the OCPD should be 20 amperes or lower to protect the conductor from overheating and potential fire hazards. Choice B is the correct answer as it is the only option that meets this requirement.

In Residential Wiring, a 12 AWG Copper Conductor Is Protected