SC Fire Alarm Practice Questions - South Carolina Fire Alarm Contractor Examination Exam

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Per NEC 2020 760.41(B) and 760.121(B), the fire-alarm equipment branch circuit shall not be supplied through which protective devices?

Standard inverse-time circuit breakers Ground-fault circuit interrupters or arc-fault circuit interrupters Fuses of the correct ampere rating A lockable disconnect

Correct Answer:

Ground-fault circuit interrupters or arc-fault circuit interrupters

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