NM CID ES-3 Practice Questions - New Mexico CID ES-3 Low Voltage Special Systems (Under 50 Volts) Examination Exam

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After 24 hours of quiescent operation, the secondary supply for an in-building fire emergency voice/alarm communications system under NFPA 72-2010 must operate the system at maximum connected load for at least:

5 minutes 10 minutes 15 minutes 60 minutes

Correct Answer:

15 minutes

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