9 Security and Signaling Systems-Namely, Call Boxes, (( Remote Control Door Openers, Bells, Buzzers, Lights, Smoke and Heat Sensors, )) Key Storage Cabinets (( and Fire Safety Monitoring and Warning Sensors and Alarm Signals; Intercoms; Telephone Communication Systems-Namely, Bells, Signals, Voice Speakers and Receivers, and Associated Wiring; Burglar Alarms; and Signal Panels, ))