FIRE AND LIFE SAFETY DETECTION, COMMUNICATION AND CONTAINMENT UNITS AND PARTS THEREFOR; COMMUNICATION EQUIPMENT FEATURING MULTIPLEX AND OTHER TECHNOLOGIES, NAMELY, AS MANUAL STATION, WARDEN STATION, ANNUNCIATORS, FIRE CONTROL PANELS, SMOKE DETECTOR CONTROL PANELS, FIRE COMMAND STATION, FAN AND DAMPER CONTROL PANELS, COMMUNICATION PANELS, AUXILIARY RELAY BOXES AND CONTROLS, FUSED CUT OUTS, SWITCH OVER NETWORKS, SPEAKERS, STROBES, STROBE CONTROL PANELS, SPEAKER/STROBE MODULES, STANDPIPE TELEPHO...