According to CEC grounding requirements, what size equipment grounding conductor is required for a 20-amp branch circuit using 12 AWG copper conductors?
Correct Answer
D) 12 AWG copper
Per CEC Table 250.122, a 20-amp circuit requires a minimum 12 AWG copper equipment grounding conductor. The equipment grounding conductor must be sized according to the overcurrent protection device rating, and for 20-amp circuits, 12 AWG copper is the minimum required size.
Why This Is the Correct Answer
Per CEC Table 250.122, a 20-amp circuit requires a minimum 12 AWG copper equipment grounding conductor. The equipment grounding conductor must be sized according to the overcurrent protection device rating, and for 20-amp circuits, 12 AWG copper is the minimum required size.
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