CFAA Fire Alarm Technician · Question
What is the standard signal rate for an alert signal in a two-stage system?
Standard practice is for the alert signal to pulse at 20 pulses per minute, while the alarm signal is the Temporal 3 (T3) or continuous pattern.
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Question: What is the standard signal rate for an alert signal in a two-stage system?
Answer options:
- 60 pulses per minute (BPM)
- 120 pulses per minute (BPM)
- Temporal 3 pattern ✅ 20 pulses per minute (BPM)
Correct answer: 20 pulses per minute (BPM)
Explanation: Standard practice is for the alert signal to pulse at 20 pulses per minute, while the alarm signal is the Temporal 3 (T3) or continuous pattern.
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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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