Audio cables; Coaxial cables; Computers and computer peripherals; Copper wire, insulated; Electric adapter cables; Electric cables, wires, conductors and connection fittings therefor; Electrical and electronic connectors; Electrical terminal blocks; Electronic interconnecters for audio and video signals; Electronic switchers for audio and video signals; Extension cords; Fiber optic connectors; Plug adaptors; Radio-frequency antennas; Video cables