Numbers and Titles



See28 05 07.17 for power sources for fire detection and alarm.
28 46 21.12Fire-Alarm Control Units
28 46 21.22Fire-Alarm Remote Annunciators
28 46 21.24Supervising Station Alarm Systems Communications Equipment
28 46 21.26Fire-Alarm System Printers
28 46 21.31Fire-Alarm Terminal Cabinets
28 46 21.33Low-Power Radio (Wireless) Equipment
28 46 21.41In-Building Fire Emergency Voice/Alarm Communications System (EVACS) Equipment