Aerials; Coaxial cables; Connections for electric lines; Copper wire, insulated; Couplings, electric; Data processing equipment, namely, couplers; Electric cables; Electric plugs; Electric sockets; Electrical plugs and sockets; Fibre-optic cables; Interfaces for computers; Lightning conductors; Magnetic wires; Masts for wireless aerials; Power distributing boxes; Relays, electric; Switches, electric; Transmitters of electronic signals; Wireless communication devices for voice, data or image t...