Nfpa.72

: Verify that devices are not blocked, dirty, or physically damaged.

: The type of fire alarm system, its power supply details (AC and battery backup), and any connected annunciators. nfpa.72

Obtain the full text and official annex material from NFPA’s publication channels or authorized standards distributors. (Note: the standard is copyrighted; rely on the official document for complete, enforceable requirements.) : Verify that devices are not blocked, dirty,

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