Nfpa.72 [Recommended - 2024]

– Defines what must be monitored (e.g., sprinkler waterflow switches, valve tamper switches, duct detectors) and how systems must be configured for reliability (e.g., Class B vs. Class A circuits).

– Governs audible (temporal 3 pattern for fire evacuation) and visible (strobe intensity measured in candela) signals. Strobe lights must meet specific placement and intensity rules to avoid disorienting individuals with photosensitivity. nfpa.72

– Specifies where and how to place smoke detectors, heat detectors, carbon monoxide detectors, and manual pull stations. For example, smoke detectors in corridors must be within 30 feet of a wall, and spacing cannot exceed 41 feet between centers. – Defines what must be monitored (e