Communication and data networking, cabling, couplers, related hardware and tooling sold as a kit; computer data-processing equipment, printer and power cables, testing equipment, cable hubs, plugs, sockets, wall plates, connectors, switches, switchboxes, power splitters and power surge protection devices and related accessories; network cards, interface cards, modems, computer hardware including hard-drives, CD-ROM drives; monitors, adaptors, keyboards, mouse, joysticks, speakers; power strip, power centre, adaptors, smart switch, compact auto switch, transmitter, receiver starter kit, disk box, mouse house, dust cover, keyboard pad, mouse cover, disk cleaning set, trackball, mouse, monitor filter, joystick, computer keyboards, data storage unit, barcode scanners, dust hoods for computer use, dust covers for keyboards, headphones, stereo speakers, loudspeakers, thermoelectric lines, telephone lines, electronic bus bars, computer connecting lines, wires with plugs, cables, cable reels, optical fibres, cable protective sheaths