NFPA 72: National Fire Alarm and Signaling Code, 2025 Edition

Update to the newest edition of the standard that provides requirements that reflect the needs and concerns of code users in the field today with the 2025 edition of NFPA 72®, National Fire Alarm and Signaling Code®.

Consult the most advanced and comprehensive requirements ever developed for the application, installation, location, performance, and inspection, testing, and maintenance (ITM) of fire alarm and emergency communications systems, including mass notification systems (MNS), used to protect life and property. The 2025 edition features several revisions and additions to the standard, including: Expanded requirements in Chapter 11 for the protection of fire alarm and signaling systems from cyber attacks, New requirements for acoustic leak detectors and thermal image fire detectors in Chapter 17, Clarification on the spacing of smoke detectors to be unchanged on ceilings up to 40 ft (12.2 m) in height, after which performance-based design spacing must be used, Addition of a new notification mode, permitting a restricted mode audible operation (RAMO) notification zone to apply private mode audible levels, Detailed instructions for the calculations of voltage drop in notification appliance circuits to standardize the calculation procedure in Chapters 18 and 24, Significant changes in Chapter 26 related to auxiliary service providers (ASP) and communications technologies, Revisions in Chapter 29 to direct the user to NFPA 715, Standard for the Installation of Fuel Gases Detection and Warning Equipment, for fuel gas detection