Question 8035 of 749 · Maryland Journeyperson Electrician Exam
A feeder supplies three motors with table FLCs of 40 A, 20 A and 10 A. What is the minimum feeder conductor ampacity?
Exactly one answer is correct.
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Correct answer to question 8035
- A: 80 A
Explanation
Section 430.24 applies 125 percent to the largest motor only. 40 A times 1.25 equals 50 A, plus 20 A plus 10 A gives 80 A. 87.5 A would wrongly apply 125 percent to all motors.
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