2022 NAICS national industry in sector 31-33 Manufacturing
335932 Noncurrent-Carrying Wiring Device Manufacturing
NAICS 335932 is the US industry code for noncurrent-carrying wiring device manufacturing. This U.S.
- Code
- 335932 (2022 NAICS)
- Title
- Noncurrent-Carrying Wiring Device Manufacturing
- Part of
- Wiring Device Manufacturing
- SBA small business limit
- Up to 1,000 employees
- Closest UK SIC
- 27330 (details)
Changes coming. The NAICS 2027 revision applies to data from 1 January 2027, and SBA proposed new size standards on 20 August 2026. The values on this page are the ones in force today; we update this page when the official files change.
Official definition
This U.S. industry comprises establishments primarily engaged in manufacturing noncurrent-carrying wiring devices.
Examples Census gives
- Boxes, electrical wiring (e.g., junction, outlet, switch), manufacturing
- Conduits and fittings, electrical, manufacturing
- Face plates (i.e., outlet or switch covers) manufacturing
- Transmission pole and line hardware manufacturing
When to use a different code
Census classifies these close-sounding activities somewhere else. Businesses mainly engaged in:
- Manufacturing porcelain and ceramic insulators are classified in Industry 327110, Pottery, Ceramics, and Plumbing Fixture Manufacturing.
- Manufacturing current-carrying wiring devices are classified in U.S. Industry 335931, Current-Carrying Wiring Device Manufacturing.
- Manufacturing glass insulators are classified in Industry 32721, Glass and Glass Product Manufacturing.
Activities listed under 335932
The Census index assigns these 13 activities to this code. If your business matches one, this is your code.
- Boxes, electrical wiring (e.g., junction, outlet, switch), manufacturing
- Conduits and fittings, electrical, manufacturing
- Electrical metallic tube (EMTs) manufacturing
- EMTs (electrical metallic tube) manufacturing
- Face plates (i.e., outlet or switch covers) manufacturing
- Hardware, transmission pole and line, manufacturing
- Insulators, electrical (except glass, porcelain), manufacturing
- Junction boxes, electrical wiring, manufacturing
- Outlet boxes, electrical wiring, manufacturing
- Plates (i.e., outlet or switch covers), face, manufacturing
- Raceways manufacturing
- Switch boxes, electrical wiring, manufacturing
- Transmission pole and line hardware manufacturing
SBA size standard for 335932
To count as a small business for SBA loans and federal contracts under NAICS 335932, your business (including affiliates) must not exceed 1,000 employees. Check your business.
Source: SBA table of size standards, effective March 17, 2023.
Closest UK SIC 2007 codes
There is no official one-to-one link between NAICS and UK SIC. These codes share the same international class (ISIC Rev. 4: 2733), so treat them as a starting point and check the definition.
Built from Census concordances 2022→2017 NAICS and 2017 NAICS→ISIC Rev. 4.
Similar codes to compare
Data last changed November 14, 2026. How this page is built.