Cable and wiring plates in the nature of protective sheaths for electrical cable and wiring; Ducting for electric cables; Ducts specially adapted for holding and spacing electricity conduits; Electric cables, wires, conductors and connection fittings therefor; Electrical raceways; Insulated electrical connectors; Patch panels for housing electrical connectors, electrical switches; Plastic conduit for use in electrical installations; Sheaths for electric cables; Sleeves for electric cables