CFAA Fire Alarm Technician · Question
To satisfy CAN/ULC-S536 requirements for a 'load test', what specific data point must be recorded during the final alarm stage?
Table 6.1 requires checking the battery terminal voltage during the full discharge test to ensure it does not drop below the manufacturer's 'cut-off' voltage du
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Question: To satisfy CAN/ULC-S536 requirements for a 'load test', what specific data point must be recorded during the final alarm stage?
Answer options:
- Ambient temperature of the FACP room ✅ Terminal voltage under full alarm load at the end of the test
- Maximum current the battery can produce under dead short
- The time taken to recharge to 50% capacity
Correct answer: Terminal voltage under full alarm load at the end of the test
Explanation: Table 6.1 requires checking the battery terminal voltage during the full discharge test to ensure it does not drop below the manufacturer's 'cut-off' voltage during the alarm period.
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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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