Question 11008 of 871 · Maryland Journeyperson Electrician Exam
Battery-powered emergency lighting unit equipment must supply the full lamp load for at least how long?
Exactly one answer is correct.
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Correct answer to question 11008
- C: 1.5 hours
Explanation
Unit equipment batteries must be able to supply the lighting load for at least 1.5 hours, at not less than 87.5 percent of nominal voltage. This matches typical egress lighting duration requirements.
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