Question 13075 of 844 · Washington 01 Journey Level Electrician Exam
What maximum fill percentage applies when exactly two conductors are installed in a raceway?
Exactly one answer is correct.
You got of questions right. Here on the question pages nobody remembers which ones you got wrong. The trainer saves your progress and asks the mistakes again until they stick.
Or free: the 10 questions most people get wrong
Show solution
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
- 13076A raceway nipple not exceeding 24 inches long between enclosures may be filled to what percentage?
- 13077Using 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?
- 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)
- 13080What is the total cross-sectional area of six 10 AWG THHN (0.0211 sq in each) and three 8 AWG THHN (0.0366 sq in each) conductors?
- 130813/4 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?