ASTTBC RFPT — Fire Alarm Systems (AL) · Question
The primary power supply for a fire alarm system must be protected by what specific device?
ULC standards require the primary AC power to be labeled 'FIRE ALARM' and the breaker must be equipped with a mechanical lock to prevent accidental shutoff.
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Question: The primary power supply for a fire alarm system must be protected by what specific device?
Answer options: ✅ A red breaker lock and clear labeling
- A standard toggle switch with no label
- Connection to a GFCI outlet near the front door
- A 100 Amp main bus disconnect
Correct answer: A red breaker lock and clear labeling
Explanation: ULC standards require the primary AC power to be labeled 'FIRE ALARM' and the breaker must be equipped with a mechanical lock to prevent accidental shutoff.
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Related Questions
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- In the event of a deficiency that renders the fire alarm system inoperative, what is the mandatory reporting r
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Question explanations
- Which of the following constitutes a system 'deficiency' rather than a 'non-conformance' to current standards?
- When a deficiency is corrected, what specific information MUST be recorded in the log?
- Which of the following would be categorized as a 'Non-Conformance' to the Installation Standard (S524) in an i
- In the event of a deficiency that renders the fire alarm system inoperative, what is the mandatory reporting r
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