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5-1
The governing specifications for the US Fire Alarm Market are found in the installation standard,
NFPA 72
®
“National Fire Alarm Code.” The fire alarm audio system is defined within the class of
“Notification Appliances.” NFPA 72 defines, among other things, requirements for audibility and
intelligibility.
Some key specifications for the design of speaker systems are found in the “Notification
Appliances for Fire Alarm Systems” chapter of NFPA 72.
IMPORTANT: This chapter contains excerpts of NFPA 72 2002 National Fire Alarm
Code. Always verify which version of the code is enforced locally.
Refer to the page number listed in this table for information on a specific topic:
Topic See Page #
Audibility 5-2
Intelligibility 5-4
Chapter 5
Regulatory Issues
Introduction
In this Chapter