Question 13093 of 749 · Maryland Journeyperson Electrician Exam
A motor with a 1.15 service factor and a nameplate current of 24 A trips its overloads during starting. What is the highest overload rating permitted under 430.32(C)?
Exactly one answer is correct.
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Correct answer to question 13093
- A: 33.6 A
Explanation
When the basic setting is not sufficient to start the motor, the overload may be increased to 140 % for motors with a service factor of 1.15 or more: 24 x 1.40 = 33.6 A. 31.2 A is the 130 % limit for other motors.
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