This covers smoke detectors, heat detectors, carbon monoxide detectors (via Annex B), manual pull stations, and water flow switches. It includes siting requirements—for example, ceiling-mounted smoke detectors must be within 21 feet of any point in a corridor.
NFPA 72 is the National Fire Protection Association's (NFPA) standard for the National Fire Alarm and Signaling Code. Here's a brief overview: nfpa.72
Added to cover in-building mass notification. This includes voice evacuation (e.g., "May I have your attention, please..."), live paging, and pre-recorded messages for weather emergencies or security threats. This covers smoke detectors, heat detectors, carbon monoxide
This chapter establishes the basics: power supplies (primary and secondary), signal priorities (alarm > trouble > supervisory), and the requirement that no single fault (e.g., a broken wire) can disable alarm notification on more than one floor. Here's a brief overview: Added to cover in-building
: Documentation of notifications made to the monitoring station or occupants before testing began to prevent false alarms.