Question 13077 of 749 · Maryland Journeyperson Electrician Exam
Using a 40 % fill area of 0.213 sq in for 3/4 inch EMT and an area of 0.0133 sq in for 12 AWG THHN, how many 12 AWG THHN conductors are permitted?
Exactly one answer is correct.
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Correct answer to question 13077
- A: 16
Explanation
0.213 / 0.0133 = 16.0, so 16 conductors fit. Using the total area of 0.533 sq in instead of the 40 % area gives 40, which ignores the fill limit.
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