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A 120-volt, 20-ampere branch circuit is being checked for ordinary small-conductor sizing. Which copper conductor size is normally paired with that breaker rating?

Correct Answer

A) 12 AWG copper.

Under the ordinary small-conductor rule, 12 AWG copper is associated with a 20-ampere branch circuit.

Answer Options
A
12 AWG copper.
B
14 AWG copper.
C
16 AWG copper.
D
18 AWG copper.

Why This Is the Correct Answer

Under the ordinary small-conductor rule, 12 AWG copper is associated with a 20-ampere branch circuit.

Why the Other Options Are Wrong

Option B: 14 AWG copper.

14 AWG copper. may relate to another site control, but it does not remove or guard the electrical branch circuits exposure being tested.

Option C: 16 AWG copper.

16 AWG copper. may relate to another site control, but it does not remove or guard the electrical branch circuits exposure being tested.

Option D: 18 AWG copper.

18 AWG copper. may relate to another site control, but it does not remove or guard the electrical branch circuits exposure being tested.

Memory Technique

Name the harm before the guard; volt, ampere, circuit cannot stand in for Coordinating Kitchen.

Reference Hint

Study anchor (closed-book): memorize Electrical branch circuits from 2025 California Electrical Code, California Code of Regulations Title. / Title 24 California Electrical Code small conductor overcurrent protection; know the rule or calculation trigger without relying on exam-room lookup.

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