Establishments primarily engaged in manufacturing noncurrent-carrying wiring devices. Important products of this industry include conduits and fittings; electrical insulators, except porcelain and other ceramic insulators and glass insulators; outlet, switch, and fuse boxes; and pole line hardware. Boxes, electric wiring: junction, outlet, switch, and fuse Conduits and fittings, electrical Face …
Examples: Boxes, electric wiring: junction, outlet, switch, and fuse, Conduits and fittings, electrical, Face plates (wiring