CFAA Fire Alarm Technician · Question
What is the requirement for the interconnection between a fire alarm panel and a non-fire building management system (BMS)?
A fire alarm system should be designed such that even if the ancillary system (like the BMS) fails, the fire alarm system remains fully operational.
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Question: What is the requirement for the interconnection between a fire alarm panel and a non-fire building management system (BMS)?
Answer options: ✅ Electrically isolated or supervised such that a fault in the ancillary circuit does not affect the fire alarm circuit
- Wired in series with the smoke detectors
- Powered by the same circuit breaker as the elevator motors
- Connected via a wireless Wi-Fi bridge for safety
Correct answer: Electrically isolated or supervised such that a fault in the ancillary circuit does not affect the fire alarm circuit
Explanation: A fire alarm system should be designed such that even if the ancillary system (like the BMS) fails, the fire alarm system remains fully operational.
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Question explanations
- The primary power for a fire alarm system must be:
- If a 120VAC primary power circuit for a fire alarm control unit is consuming 60 Watts of power, what is the cu
- In a steady-state DC circuit, if the conductor length is doubled while maintaining voltage and wire gauge, wha
- A resistor is rated at 10 Watts at 24VDC. If the voltage drops to 20VDC, what is the new power dissipation?
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