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