Access control and alarm monitoring systems; Batteries and battery chargers; Computers and computer peripherals; Connection cables; Connectors for electronic circuits; Consumer electronic products, namely, audio amplifiers, audio speakers, audio receivers, electrical audio and speaker cables and connectors, audio decoders, video decoders, speakers, power conversion devices, power converters, and power inverters; Electric cables, wires, conductors and connection fittings therefor; Electric switches; Electric wire harnesses for automobiles; Electrical and optical cables; Electrical plugs and sockets; Electronic and optical communications instruments and components, namely, optical data links; Electronic test and measurement devices for use in the fields of networks and telecommunications, namely, instrumentation used to test and certify new and existing data and voice communication cable and coaxial cable; Mounting racks for telecommunications hardware; Telecommunication cables; WAN (wide area network) hardware