CFAA Fire Alarm Technician · Question
What must precede the start of any pre-recorded voice emergency message?
ULC-S524-19 specifies that messages shall be in both English and French where required by the AHJ or localized building codes, and must be preceded by an alert
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Question: What must precede the start of any pre-recorded voice emergency message?
Answer options: ✅ An alert signal or tone
- A 5-second silence
- A sound of a bell ringing three times
- A strobe light flash for 10 seconds
Correct answer: An alert signal or tone
Explanation: ULC-S524-19 specifies that messages shall be in both English and French where required by the AHJ or localized building codes, and must be preceded by an alert 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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