Question 11031 of 938 · Maryland Journeyperson Electrician Exam
Which statement about branch circuits supplying fire alarm equipment is correct?
Exactly one answer is correct.
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Correct answer to question 11031
- D: They must not be supplied through GFCI or AFCI devices
Explanation
Branch circuits supplying fire alarm equipment must not be supplied through ground-fault or arc-fault circuit interrupters. A nuisance trip could disable the fire alarm system.
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