Question 13075 of 790 · California General Electrician Exam
What maximum fill percentage applies when exactly two conductors are installed in a raceway?
Exactly one answer is correct.
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Correct answer to question 13075
- C: 31 %
Explanation
Two conductors are limited to 31 % because two round conductors can jam against each other when pulled. One conductor may fill 53 %, and three or more 40 %.
More questions: Electrical Calculations
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- 13078How many 10 AWG THHN conductors (0.0211 sq in each) may be installed in 1/2 inch EMT, which has a 40 % fill area of 0.122 sq in?
- 13079Three 4 AWG THHN (0.0824 sq in each) and one 8 AWG THHN (0.0366 sq in) are to be installed in EMT. Which is the smallest trade size permitted? (40 % areas: 3/4 in 0.213, 1 in 0.346, 1-1/4 in 0.598 sq in)
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