CFAA Fire Alarm Technician · Question
When an open circuit is detected on a supervised zone, what is the required response of the Fire Alarm Control Panel?
Trouble signals must be distinct from alarm signals and must indicate an integrity issue with the wiring or power. CAN/ULC-S536 §5.1.2.
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Question: When an open circuit is detected on a supervised zone, what is the required response of the Fire Alarm Control Panel?
Answer options:
- The panel will enter an Alarm condition
- The panel will ignore the fault until a reset is pressed ✅ The panel will sound a Trouble signal and indicate the zone
- The panel will shut down to protect the internal circuitry
Correct answer: The panel will sound a Trouble signal and indicate the zone
Explanation: Trouble signals must be distinct from alarm signals and must indicate an integrity issue with the wiring or power. CAN/ULC-S536 §5.1.2.
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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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