Question 5035 of 749 · Maryland Journeyperson Electrician Exam
What is the minimum copper equipment grounding conductor for a circuit protected by a 20 A OCPD?
Exactly one answer is correct.
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Correct answer to question 5035
- C: 12 AWG
Explanation
Table 250.122 sizes the EGC on the rating of the OCPD ahead of the equipment. A 20 A device requires at least 12 AWG copper.
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