Nfpa.72 «95% Verified»

– 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.

– Establishes the purpose of systems: to provide notification of fire, supervise circuits, and control fire safety functions. It also introduces performance-based design options. nfpa.72

– 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. – Specifies where and how to place smoke