Acoustic couplers; Aerials; Apparatus for transmission of communication; Audio-video receivers; Coaxial cables; Computer peripheral apparatus; Connections for electric lines; Connections, electric; Converters for electric plugs; Data processing equipment, namely, couplers; Electric cables and wires; Electric connectors; Electrical plugs and sockets; Fuse wire; Interfaces for computers; Inverters; Masts for wireless aerials; Wire connectors