SIC Industry Description

Industry: 3644—Noncurrent-Carrying Wiring Devices
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 fusePole line hardware
Conduits and fittings, electricalRaceways
Face plates (wiring devices)Snubbers for CATV systems
Insulators, electrical: except glass and ceramic
Codes Titles Total Marketable US Businesses
3644Noncurrent-carrying Wiring Devices583
364400Noncurrent-carrying wiring devices51
36440000Noncurrent-carrying wiring devices51
364401Electric outlet, switch, and fuse boxes37
36440100Electric outlet, switch, and fuse boxes9
36440101Fuse boxes, electric6
36440102Junction boxes, electric13
36440103Outlet boxes (electric wiring devices)6
36440104Switch boxes, electric3
364402Electric conduits and fittings390
36440200Electric conduits and fittings58
36440201Face plates (wiring devices)3
36440202Raceways319
36440203Terminal boards10
364499Noncurrent-carrying wiring devices, nec105
36449901Fish wire (electrical wiring tool)7
36449902Insulators and insulation materials, electrical90
36449903Pole line hardware7
36449904Scrubbers for CATV systems1