CFAA Fire Alarm Technician · Question
What is the purpose of the 'Lamp Test' switch on a remote annunciator?
The Lamp Test feature is vital for ensuring that there are no burnt-out LEDs or bulbs, as a failed lamp could hide a real alarm condition in a specific zone.
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Question: What is the purpose of the 'Lamp Test' switch on a remote annunciator?
Answer options:
- To drain excess battery power during testing ✅ To verify that all visual indicators (LEDs/lamps) are functional
- To reset the smoke detectors in the building
- To test the notification appliance circuits (NACs)
Correct answer: To verify that all visual indicators (LEDs/lamps) are functional
Explanation: The Lamp Test feature is vital for ensuring that there are no burnt-out LEDs or bulbs, as a failed lamp could hide a real alarm condition in a specific zone.
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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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