CFAA Fire Alarm Technician · Question
Which action occurs when a key is inserted and turned in a two-stage manual pull station?
S524 requires that the operation of a second stage key switch at any manual station shall cause the second stage signal to sound.
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Question: Which action occurs when a key is inserted and turned in a two-stage manual pull station?
Answer options:
- The timer is reset for another 5 minutes
- All visual signals stop flashing
- The second stage signal sounds throughout the required zones ✅ The fire department is called a second time
Correct answer: The fire department is called a second time
Explanation: S524 requires that the operation of a second stage key switch at any manual station shall cause the second stage signal to sound.
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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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