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