NFPA 72, National Fire Alarm and Signaling Code, 2025 Edition
$175.99
NFPA 72 provides the latest safety provisions to meet society’s changing fire detection, signaling, and emergency communications demands. In addition to the core focus on fire alarm systems, the Code includes requirements for mass notification systems used for weather emergencies; terrorist events; biological, chemical, and nuclear emergencies; and other threats.
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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
