Question 3024 of 749 · Maryland Journeyperson Electrician Exam
Unless specifically permitted elsewhere, what is the maximum OCPD for 12 AWG copper conductors?
Exactly one answer is correct.
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Correct answer to question 3024
- A: 20 A
Explanation
The small conductor rule limits 14 AWG copper to 15 A, 12 AWG copper to 20 A and 10 AWG copper to 30 A. See 240.4(D).
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