2022 NAICS national industry in sector 42 Wholesale Trade
423610 Electrical Apparatus and Equipment, Wiring Supplies, and Related Equipment Merchant Wholesalers
NAICS 423610 is the US industry code for electrical apparatus and equipment, wiring supplies, and related equipment merchant wholesalers. It covers establishments primarily engaged in the merchant wholesale distribution of electrical construction materials; wiring supplies; electric light fixtures; light bulbs; and/or electrical power equipment for the generation, transmission, distribution, or control of electric energy.
- Code
- 423610 (2022 NAICS)
- Title
- Electrical Apparatus and Equipment, Wiring Supplies, and Related Equipment Merchant Wholesalers
- Part of
- Household Appliances and Electrical and Electronic Goods Merchant Wholesalers
- SBA small business limit
- Up to 200 employees
- Closest UK SIC
- 46491, 46499, 46520 (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 industry comprises establishments primarily engaged in the merchant wholesale distribution of electrical construction materials; wiring supplies; electric light fixtures; light bulbs; and/or electrical power equipment for the generation, transmission, distribution, or control of electric energy.
Activities listed under 423610
The Census index assigns these 53 activities to this code. If your business matches one, this is your code.
- Alarm apparatus, electric, merchant wholesalers
- Batteries (except automotive) merchant wholesalers
- Boxes and fittings, electrical, merchant wholesalers
- Bus bars and trolley ducts merchant wholesalers
- Capacitors (except electronic) merchant wholesalers
- Circuit breakers merchant wholesalers
- Coaxial cable merchant wholesalers
- Conduit, electric wire and cable, merchant wholesalers
- Conduits and raceways, electrical, merchant wholesalers
- Connectors, electrical, merchant wholesalers
- Construction materials, electrical, merchant wholesalers
- Current-carrying wiring devices merchant wholesalers
- Distribution equipment, electrical, merchant wholesalers
- Electric light fixtures merchant wholesalers
- Electric motors, wiring supplies, and lighting fixtures merchant wholesalers
- Electric prime movers merchant wholesalers
- Electrical apparatus merchant wholesalers
- Fastening devices, electrical, merchant wholesalers
- Fittings, electrical, merchant wholesalers
- Fixtures, electric lighting, merchant wholesalers
- Flashlights merchant wholesalers
- Fuses, electric, merchant wholesalers
- Generators, electrical (except motor vehicle), merchant wholesalers
- Hanging devices, electrical, merchant wholesalers
- Hardware, transmission pole and line, merchant wholesalers
- Industrial controls, electrical, merchant wholesalers
- Instruments, electric measuring, merchant wholesalers
- Insulated wire or cable merchant wholesalers
- Insulators, electrical, merchant wholesalers
- Light bulbs merchant wholesalers
- Lighting fixtures, electric, merchant wholesalers
- Lightning arrestors merchant wholesalers
- Lugs and connectors, electrical, merchant wholesalers
- Meters, electrical, merchant wholesalers
- Motor controls, electric, merchant wholesalers
- Motors, electric, merchant wholesalers
- Panelboards, electric power distribution, merchant wholesalers
- Pole line hardware merchant wholesalers
- Power transmission equipment, electrical, merchant wholesalers
- Receptacles, electrical, merchant wholesalers
- Regulators, voltage (except motor vehicle), merchant wholesalers
- Relays merchant wholesalers
- Security systems merchant wholesalers
- Signal systems and devices merchant wholesalers
- Storage batteries (except automotive) merchant wholesalers
- Switchboards, electrical distribution, merchant wholesalers
- Switches, electrical, merchant wholesalers
- Transformers (except electronic) merchant wholesalers
- Transmission equipment, electrical, merchant wholesalers
- Unit substations, electrical, merchant wholesalers
- Voltage regulators (except motor vehicle) merchant wholesalers
- Wire, insulated, merchant wholesalers
- Wiring supplies merchant wholesalers
SBA size standard for 423610
To count as a small business for SBA loans and federal contracts under NAICS 423610, your business (including affiliates) must not exceed 200 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: 4649, 4652, 4659), so treat them as a starting point and check the definition.
- 46491Wholesale of musical instrumentsUK SIC
- 46499Wholesale of household goods (other than musical instruments) n.e.c.UK SIC
- 46520Wholesale of electronic and telecommunications equipment and partsUK SIC
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.