residential and commercial building automation and communication systems, namely, central automation control devices, computer interface devices, appliance controllers, manual control interface devices, electronic ceiling fan controllers, garage door controllers, drape controllers, window controllers; computing equipment, namely, desktop computers and portable computers; intruder and trouble detection systems, namely, electronic security system controllers, motion detectors, window contact sensors, door contact sensors, smoke detectors, security cameras, electrically controlled automatic gate openers and locks; automatic electronic door openers and locks; lighting control systems, namely, dimmers and remote lighting controllers; home theater systems, namely, televisions, videocassette recorders, videodisc players, remote control devices for televisions, video cassette recorders, and video disc players; audio distribution systems, comprising, audio distribution amplifiers and audio signal routing devices; video distribution systems, comprising, video distribution amplifiers and video signal routing devices; communication systems, namely, telephones, intercom systems, comprised of base units and remote units; data distribution systems, comprised of network adaptors and interfaces; electrical and optical conveyance media, namely, electrical cable, optical cable, cable connectors, and cable termination busses; water management systems, namely, sprinkler control systems comprised of sprinkler timer devices and sprinkler timer interfaces; and energy management systems, namely, electronic thermostat controllers