NICET Certification 2025 – 400 Free Practice Questions to Pass the Exam

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According to NFPA 72, what is the maximum sound pressure level permitted in a space with notification appliances?

100 DBA

105 DBA

110 DBA

According to NFPA 72, the National Fire Alarm and Signaling Code, the maximum sound pressure level for notification appliances in a space is indeed set at 110 decibels (dBA). This limit is established to ensure that alarms are audible and effective without causing hearing damage or discomfort to occupants within the space.

The intent behind this regulation is to provide a clear and effective means of alerting individuals to an emergency situation, ensuring that the sound level is loud enough to be heard over other ambient noise levels while remaining at a level that is safe for hearing.

The standards are created based on research and recommendations, ensuring that emergency notification systems are reliable in various environments. It's critical for systems designed for life safety to adhere to these guidelines so that they serve their purpose effectively in an emergency.

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115 DBA

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