NAICS 5 Digit Industry 23821

Industry 23821

NAICS 5  Digit Industry 23821 – Electrical Contractors and Other Wiring Installation Contractors

Definition of NAICS 5 Digit Industry 23821: See industry description for NAICS 238210 below.

Industry Description of NAICS Code 238210: This industry comprises establishments primarily engaged in installing and servicing electrical wiring and equipment. Contractors included in this industry may include both the parts and labor when performing work. These contractors may perform new work, additions, alterations, maintenance, and repairs.

  • You can also download your own copy of the complete 2017 NAICS Classification Manual. The NAICS Manual is updated every five years. The 2017 copy will be applicable until a new edition is produced in 2022.

Illustrative Examples of NAICS Industry 23821

What are some examples of this industry classification? The bulleted items below are illustrative examples of this 5-digit NAICS industry.

  • Airport runway lighting contractors
  • Fiber optic cable (except transmission line) contractors
  • Alarm system (e.g., fire, burglar), electric, installation only
  • Highway, street, and bridge lighting and electrical signal installation
  • Audio equipment (except automotive) installation contractors
  • Home automation system installation
  • Cable splicing, electrical or fiber optic
  • Lighting system installation
  • Cable television hookup contractors
  • Telecommunications equipment and wiring (except transmission line) installation contractors
  • Computer and network cable installation
  • Traffic signal installation
  • Environmental control system installation

Cross-References for Industry 23821

What codes are similar to this industry that might be more applicable? The cross-reference guide below displays the codes that are similar to industry 23821. Please review to find the most applicable classification.

  • Installing and maintaining telecommunications lines by telecommunications companies–are classified in Subsector 517, Telecommunications;
  • Constructing power and communication transmission lines–are classified in Industry NAICS 237130, Power and Communication Line and Related Structures Construction; and
  • Burglar and fire alarm installation combined with sales, maintenance, or monitoring services–are classified in U.S. Industry NAICS 561621, Security Systems Services (except Locksmiths).

Other Index Entries for NAICS 5-Digit Industry 23821

The North American Industry Classification System contains multiple index entries that are each descriptive of the same code. The bulleted list below shows all applicable index entries (Current and former) that are associated with industry 23821. These index entries further elaborate on the scope of applicable industries that have already been defined at the top of this page.

  • Airport runway lighting contractors
  • Alarm system (e.g., fire, burglar), electric, installation only
  • Audio equipment installation (except automotive) contractors
  • Building automation system installation contractors
  • Burglar alarm system, electric, installation only
  • Cable splicing, electrical or fiber optic
  • Cable television hookup contractors
  • Communication equipment installation
  • Computer and network cable installation
  • Control system (e.g., environmental, humidity, temperature) installation
  • Electric contracting
  • Electric power control panel and outlet installation
  • Electrical contractors
  • Electrical equipment and appliance installation
  • Electrical wiring contractors
  • Electrical work
  • Electrical, electrical wiring, and low voltage electrical work
  • Electrician
  • Electronic containment fencing for pets, installation
  • Electronic control installation and service
  • Electronic control system installation
  • Environmental control system installation
  • Fiber optic cable (except transmission lines) installation
  • Fire alarm system, electric, installation only
  • Highway, street and bridge lighting and electrical signal installation
  • Home automation system installation
  • Home theater installation
  • Humidity control system installation
  • Installation of photovoltaic panels
  • Intercommunication (intercom) system installation
  • Lighting system installation
  • Low voltage electrical work
  • Private driveway or parking area lighting contractors
  • Public address system installation
  • Railroad signalling equipment installation
  • Security and fire system, installation only
  • Smoke detection system, installation only
  • Snow melting cable, electric, installation
  • Sound equipment installation
  • Surveillance system, installation only
  • Telecommunications equipment and wiring (except transmission line) installation contractors
  • Telephone equipment and building wiring installation
  • Telephone installation contractors
  • Temperature control system installation
  • Traffic signal installation
  • Tunnel lighting contractors
Industry Breakdown for North American Industry Classification System

NAICS codes are broken down by digit. The broadest description starts with the 2 digit sector codes. The 3 digit subsector codes are more specific, then the 4 digit industry group, 5 digit industry (Where you are now), and the most specific is the 6 digit NAICS code. If the code on this page does not describe the industry of the business in question, then select the largest applicable code below. From there, follow through the progression of smaller digits to the larger digits in order to obtain the most specific 6 digit classification.

  • Sector 23: Construction
    • Subsector 238: Specialty Trade Contractors
      • Industry Group 2382: Building Equipment Contractors
        • Industry 23821: Electrical Contractors and Other Wiring Installation Contractors
          • 6 Digit Code(s) NAICS 238210: Electrical Contractors and Other Wiring Installation Contractors

Other helpful NAICS Downloads

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NAICS 5 Digit Industry 23821 | Class Codes