Question 8008 of 749 · Maryland Journeyperson Electrician Exam
A motor with a service factor of 1.0 has a nameplate current of 20 A. What is the maximum separate overload setting under 430.32(A)(1)?
Exactly one answer is correct.
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Correct answer to question 8008
- A: 23 A
Explanation
With a service factor of 1.0, the overload may not exceed 115 percent of nameplate current. 20 A times 1.15 equals 23 A. 25 A would apply only to motors with a 1.15 service factor.
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