Question 4090 of 749 · Maryland Journeyperson Electrician Exam
For branch circuit sizing, a continuous load is one where the maximum current is expected to continue for how long?
Exactly one answer is correct.
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Correct answer to question 4090
- B: 3 hours or more
Explanation
Article 100 defines a continuous load as one where the maximum current is expected to continue for 3 hours or more. Such loads trigger the 125 percent sizing rules of 210.19 and 210.20.
More questions: Branch Circuits, GFCI and AFCI
- 4091When may a branch circuit overcurrent device be sized at 100 percent of the continuous load instead of 125 percent?
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- 4095A multiwire branch circuit in general may supply only which type of load?
- 4096How must the conductors of a multiwire branch circuit be identified in a panelboard?
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- 4098In a dwelling living room, what may substitute for the required wall-switch-controlled lighting outlet?