NFPA 72 mandates astandardized evacuation signal patternto ensure building occupants can recognize and respond to an emergency.
NFPA 72 (2022), Section 18.4.2.1:
“Where audible appliances are used for evacuation or relocation, the alarm signal shall be the Temporal-Three Evacuation Signal pattern (three short audible signals followed by a pause).”
This pattern is commonly known as theTemporal-3orT-3signal.
Correct answer: C. Provides a 3-pulse temporal pattern
===========
Contribute your Thoughts:
Chosen Answer:
This is a voting comment (?). You can switch to a simple comment. It is better to Upvote an existing comment if you don't have anything to add.
Submit