Manufacture of wiring devices

This class includes the manufacture of current-carrying and non-current-carrying wiring devices for electrical circuits regardless of material.

This class includes:

• manufacture of bus bars, electrical conductors (except switchgear-type)
• manufacture of ground fault circuit interrupters (GFCIs)
• manufacture of lamp-holders
• manufacture of lightning arrestors and coils
• manufacture of switches for electrical wiring (e.g. pressure, push-button, snap, tumbler switches)
• manufacture of electrical plugs or sockets
• manufacture of boxes for electrical wiring (e.g. junction, outlet, switch boxes)
• manufacture of electrical conduit and fitting
• manufacture of transmission pole and line hardware
• manufacture of plastic non-current-carrying wiring devices, including plastic junction boxes, faceplates and similar, plastic pole line fittings and switch covers

This class excludes:

• manufacture of ceramic insulators, see 23.43