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ASTTBC RFPT — Fire Alarm Systems (AL) · Question

The National Building Code limits the maximum sound pressure level produced by a fire alarm signal to ____ dBA at any location.

Ambient noise levels in residential or hotel rooms are usually low, but the law requires 10 dBA above ambient or 65 dBA, whichever is higher. 110 dBA is the max

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Question: The National Building Code limits the maximum sound pressure level produced by a fire alarm signal to ____ dBA at any location.

Answer options:

  • 120 dBA ✅ 110 dBA
  • 100 dBA
  • 95 dBA

Correct answer: 110 dBA

Explanation: Ambient noise levels in residential or hotel rooms are usually low, but the law requires 10 dBA above ambient or 65 dBA, whichever is higher. 110 dBA is the maximum to prevent hearing damage.

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