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ASTTBC RFPT — Fire Alarm Systems (AL) · Question

Which criterion must be met for the secondary power supply (batteries) during verification?

Clause 5.7.4.4 requires verifying that the battery capacity is sufficient to meet the design requirements, typically verified by a supervised discharge test or

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Question: Which criterion must be met for the secondary power supply (batteries) during verification?

Answer options:

  • The battery is less than 5 years old ✅ The batteries can support the system for the duration required by the building code (e.g., 24h standby + 30m alarm)
  • The battery voltage is exactly 24.0 VDC
  • The battery is made in Canada

Correct answer: The batteries can support the system for the duration required by the building code (e.g., 24h standby + 30m alarm)

Explanation: Clause 5.7.4.4 requires verifying that the battery capacity is sufficient to meet the design requirements, typically verified by a supervised discharge test or calculation review.

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