CFAA Fire Alarm Technician · Question
What is the maximum time allowed for the automatic transition from an alert signal to an alarm signal if the system is not manually acknowledged?
CAN/ULC-S524 specifies that any fire alarm system using a two-stage sequence must have a timer adjustable up to 5 minutes to automatically transition to a secon
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Question: What is the maximum time allowed for the automatic transition from an alert signal to an alarm signal if the system is not manually acknowledged?
Answer options:
- 60 seconds
- 2 minutes ✅ 5 minutes
- 10 minutes
Correct answer: 5 minutes
Explanation: CAN/ULC-S524 specifies that any fire alarm system using a two-stage sequence must have a timer adjustable up to 5 minutes to automatically transition to a second-stage signal.
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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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