According to NFPA 72, what should be done with the door to the sleeping room when testing audible notification levels?

According to NFPA 72, what should be done with the door to the sleeping room when testing audible notification levels?

• A. It should be open
• B. It should be closed
• C. It should be ajar
• D. It should be removed

Answer: (B)

When testing audible notification levels in accordance with NFPA 72, the door to the sleeping room should be closed. This is important because it simulates the actual conditions that may be present during an emergency situation. A closed door can influence how sound travels within the space, ensuring that the notification devices are tested for effectiveness under realistic scenarios. Testing with the door closed helps to determine whether the audible signals can be clearly heard from within the sleeping area, thereby ensuring the safety of occupants in a potentially hazardous situation. This approach takes into account factors such as sound attenuation and reflected sound, which are vital for assessing the performance of alarm systems in environments where occupants may be asleep.