Question 13112 of 749 · Maryland Journeyperson Electrician Exam
What is the maximum continuous load permitted on a 20 A branch circuit protected by a standard (not 100 % rated) breaker?
Exactly one answer is correct.
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Correct answer to question 13112
- D: 16 A
Explanation
A continuous load may not exceed 80 % of the overcurrent device rating, which is the inverse of the 125 % rule: 20 x 0.80 = 16 A. Loading the circuit to the full 20 A is allowed only for noncontinuous loads.
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