What requirements does NFPA 72 specify for emergency voice/alarm communication systems?

The requirement for emergency voice/alarm communication systems to be intelligible and provide clear messages for emergency notifications is crucial for ensuring that occupants can understand the instructions being conveyed during a crisis. The primary purpose of an emergency communication system is to inform individuals about the nature of the emergency and to guide them on the appropriate actions to take, such as evacuating the building or seeking shelter.

NFPA 72 emphasizes the need for clarity and intelligibility in messages to prevent confusion and ensure the safety of all occupants. This includes the use of appropriate volume levels, clear speech, and appropriate language that is comprehensible to the intended audience. Effective communication can significantly impact the effectiveness of emergency responses, making this requirement essential.

In contrast, while having multiple language options, transmitting signals to hospitals, or relying solely on battery backup could be beneficial features, they are not fundamental requirements outlined in NFPA 72 for emergency voice/alarm communication systems. The priority is on the clarity and intelligibility of the messages to ensure safety and proper guidance during emergencies.