According to code, what size copper conductors feed a GFCI receptacle in a bathroom?

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Multiple Choice

According to code, what size copper conductors feed a GFCI receptacle in a bathroom?

Explanation:
The main idea is that bathroom receptacles must be fed from a 20-amp circuit. Copper conductors must be at least 12 AWG to safely carry 20 amps. Copper #14 is only good for 15 amps, so it doesn’t meet the requirement, and #10 or #8 are larger than necessary. Therefore, the minimum copper size that satisfies the code for feeding a bathroom GFCI receptacle is #12 AWG.

The main idea is that bathroom receptacles must be fed from a 20-amp circuit. Copper conductors must be at least 12 AWG to safely carry 20 amps. Copper #14 is only good for 15 amps, so it doesn’t meet the requirement, and #10 or #8 are larger than necessary. Therefore, the minimum copper size that satisfies the code for feeding a bathroom GFCI receptacle is #12 AWG.

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