fire detection, monitoring and alarm systems and accompanying accessories, namely, network systems, multiplex systems, stand alone systems, voice communication systems and fire alarm emergency phone systems, comprising, graphical command centers, manual stations, smoke detectors and sensors, flame detectors, heat detectors and sensors, water flow switches, sprinkler supervisory switches, door holders and/or closures, modems, fiber optic line drivers, alarm communicator transmitters and receivers, remote station receivers, audible and visible notification appliances, annunciators, intercoms, CRT monitors and printers, batteries and charges and transient suppressors; [nurse call systems and accompanying accessories, namely, audio/visual signaling and communication systems for use in health care environments, comprising, nurse master stations, bath stations, patient room stations, emergency code terminals, monitors, pagers, intercoms, notification devices, dome lights, and zone lamps; access control systems and accompanying accessories, namely, computer servers and work stations, security and facilities management software, network software and communication cards, computers, monitors, keyboards, modems and related peripherals, system controllers, door locks, exit requesters, sensors, switches, contacts, relays, security and access cards, card and coders, card readers, pin key pads, biometric recognition apparatus, power supplies, cabinets and batteries; closed circuit television systems and accompanying accessories, namely, cameras and lenses, video monitiors, video switching hardware and software, pan and tilt mechanisms and controllers, video recording hardware and software, housing monitoring devices and related hardware, video transmission hardware and software, and power supplies; intrusion detection systems and accompanying accessories, namely, detection control panels, configuration software, keypad controllers, sensors, switches, contacts and relays, telephone dialing equipment, hardwire and cellular connectors and accessories, central intrusion monitoring stations, audio and visual annunciators, namely, sirens, horns, strobes, and lights; detention control systems and accompanying accessories, namely, computer control head end servers and work stations, and detention logic controllers; identification systems and accompanying accessories, namely, identification cards, card production systems and associated supplies; time and attendance recorders and processors, time stamp readers, coders and recorders, identification readers, data collection terminals, job cost recorders and time stamps, attendance calculators and recorders, master time control systems, comprising, master clock interfaces and signal control relays; automated work force management systems, namely, time and attendance computer systems, comprising, time and attendance software, data collection terminals, input devices, namely, badge readers, bar code wand, hand print readers and computer terminals, bar code and magnetic stripe badges and badge accessories, archiving software for time and attendance systems, and scheduling software for time and attendance systems; sound and communication systems and accompanying accessories, namely, audio, intercom, telephone and video receivers and transmitters]