28.46.00 Fire Detection and Alarm
28.46.31.11 Heat-Sensing Fire Detectors
28.46.13 Fire-Alarm Systems 28.46.13.11 Protected Premises Fire-Alarm Systems 28.46.13.21 Central-Station Service Fire-Alarm Systems 28.46.13.31 Proprietary Supervising-Station Fire-Alarm Systems 28.46.13.41 Remote Supervising-Station Fire-Alarm Systems 28.46.13.51 Household Fire-Alarm Systems 28.46.14 Single and Multiple Station Alarms 28.46.21 Fire-Alarm Control Units and Related Equipment 28.46.21.12 Fire-Alarm Control Units 28.46.21.22 Fire-Alarm Remote Annunciators 28.46.21.24 Supervising Station Alarm Systems Communications Equipment 28.46.21.26 Fire-Alarm System Printers 28.46.21.31 Fire-Alarm Terminal Cabinets 28.46.21.33 Low-Power Radio (Wireless) Equipment 28.46.21.41 In-Building Fire Emergency Voice/Alarm Communications System (EVACS) Equipment 28.46.24 Fire Command Center Equipment and Displays 28.46.25 Fire-Alarm System Accessories 28.46.31 Fire-Alarm Initiating Devices 28.46.31.11 Heat-Sensing Fire Detectors 28.46.31.13 Smoke-Sensing Fire Detectors 28.46.31.15 Radiant Energy-Sensing Fire Detectors 28.46.31.17 Gas-Sensing Fire Detectors 28.46.31.21 Multi-Criteria Fire Detectors 28.46.31.23 Multi-Sensor Fire Detectors 28.46.31.25 Combination Fire Detectors 28.46.31.31 Fire-Alarm Manual Initiating Devices 28.46.31.41 Fire-Alarm Supervisory Signal Initiating Devices 28.46.33 Public Emergency Alarm Reporting Equipment 28.46.41 Fire-Alarm Notification Appliances 28.46.41.11 Audible Fire-Alarm Notification Appliances 28.46.41.21 Visible Fire Alarm Notification Appliances 28.46.41.31 Combination Fire-Alarm Notification Appliances 28.46.41.41 Tactile Fire Alarm Notification Appliances 28.46.51 Fire-Alarm Supervised Interface Hardware 28.46.51.08 Fire-Alarm Supervised Interface Hardware for Openings 28.46.51.14 Fire-Alarm Supervised Interface Hardware for Elevators 28.46.51.23 Fire-Alarm Supervised Interface Hardware for HVAC Systems 28.46.51.25 Fire-Alarm Supervised Interface Hardware for Integrated Automation