Question 13081 of 749 · Maryland Journeyperson Electrician Exam
3/4 inch EMT has a 40 % fill area of 0.213 sq in and 14 AWG THHN has an area of 0.0097 sq in. How many 14 AWG THHN conductors are permitted when all conductors are the same size?
Exactly one answer is correct.
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Correct answer to question 13081
- A: 22
Explanation
0.213 / 0.0097 = 21.96. When all conductors are the same size and the decimal is 0.8 or larger, Chapter 9 Note 7 permits the next higher whole number, so 22 conductors are allowed.
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