Apparatus and instruments for conveying, distributing, transforming, storing, regulating or controlling electric current; Apparatus for transmission of communication; Ballasts for halogen lights; Devices for wireless radio transmission; Electric igniters used in connection with ballasts to start discharge lamps; [ Electric transformers; ] Electronic communications systems comprised of computer hardware and software for the transmission of data between two points; [ Fluorescent lamp ballast for electric lights; ] Lighting ballasts; Radio receivers and radio signal tuners; Radio receivers and transmitters; [ Radio sets; ] Radio transmitters and receivers; [ Radios; Satellite radios; Telecommunications equipment, namely, fiber-optic transceivers, fiber optic repeaters, converters and optimizers, wave division multiplexers, free-space optics transmission systems, switches including Ethernet switches and routers, fiber-to-the-home and ethernet-over-VDSL access aggregators, terminators and repeaters, and remote presence management products, namely, switches, and console, alarm, sensor and power management devices; ] Transformers; Voltage stabilizers; Voltage stabilizing power supply [ ; Voltage surge protectors ]