lighting control apparatus; lighting control panels; electronic data recorders for storing audio, lighting and video control settings; electrical power distribution units; splitters for audio, lighting and video signals; electronic switchers for audio, lighting and video signals; electrical and electronic apparatus and systems for controlling light signals, light effects, light shows, video and machines for creating special theatrical effects, namely, electrical and electronic control panels, controllers, data networking hardware, data recorders, data processing equipment, power distribution units, signal splitters and switchers for audio, lighting and video signals; electrical and electronic apparatus and systems for recording, processing, reproducing, mixing and transmitting audio, lighting and video data, and software for controlling the foregoing; data networking hardware, namely, devices for transporting and aggregating audio, lighting and video data; and home and office automation systems comprised of computer hardware, wireless and wired controllers, and downloadable software for automating audio, lighting and video