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ASTTBC RFPT — Fire Alarm Systems (AL) · Question

Under specific conditions where a smoke detector's sensitivity remains stable for two consecutive tests, what is the maximum permissible interval for the next test?

S536 allows the interval to be extended to 5 years only if the detector is within its range for 2 consecutive biennial tests.

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Question: Under specific conditions where a smoke detector's sensitivity remains stable for two consecutive tests, what is the maximum permissible interval for the next test?

Answer options:

  • 1 year
  • 2 years
  • 3 years ✅ 5 years

Correct answer: 5 years

Explanation: S536 allows the interval to be extended to 5 years only if the detector is within its range for 2 consecutive biennial tests.

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