Antennas; Intercoms; Coaxial cables; Connections for electric lines; Copper wire, insulated; Data processing equipment, namely, couplers; Electric cables; Electric connections; Electric couplings; Electric junction boxes; Electric switches; Electric wires; Electrical plugs; Electrical sockets; Fiber optic cables; Interfaces for computers; Lightning rods; Magnetic wires; Masts for wireless aerials; Transmitters of electronic signals