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. Establishments primarily engaged in manufacturing ceramic insulating are classified in Industry 3264, and those manufacturing glass insulators are classified in Industry 3229.
- Boxes, electric wiring: junction, outlet, switch, and fuse
- Conduits and fittings, electrical
- Face plates (wiring devices)
- Insulators, electrical: except glass and ceramic
- Pole line hardware
- Raceways
- Snubbers for CATV systems