distributorship services in the field of electronic parts and supplies; namely, attenuator pads, test clips, baluns, splitters, couplers, amplifiers, modulators, block converters, switches, power supplies, surge protectors, AC adapters, computer connectors, TV switches, antennas, chassis mounts, cable boots and hoods, adapters, coaxial connectors, terminators, wall plates, insertion tools, alligator clips, breadboards, cable, cable assemblies, anti-static devices, line testers, telephone cords, remote controls, power strips, working lamps, PA horns, security monitors, security cameras, security lenses, scanners, drop taps, telephone connectors, wiring ducts, crimp tools, hand tools, wire and cable strippers, wiring tackers and staplers, and batteries