Electrical terminal blocks; Electric cables, wires, conductors and connection fittings therefor; Cable junctions for electric cables; Sheaths for electric cables; Junction boxes; Wire connectors; Electrical and electronic connectors; Insulated electrical connectors; Insulated copper wire; Threaded cable connectors of metal; Connecting devices for photographic equipment, namely, cable connectors; Cable jump leads; Fuses for electric current; Connections for electric lines; Cables, electric