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

What is the purpose of lockout/tagout before working on a fire-alarm power circuit?

To increase available fault current To prevent unexpected re-energizing of the circuit while work is performed To satisfy battery-sizing requirements in NFPA 72 To identify the circuit as a Class 2 power-limited circuit

Correct Answer:

To prevent unexpected re-energizing of the circuit while work is performed

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