NAICS 335931 - Current-Carrying Wiring Device Manufacturing
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What is NAICS 335931
NAICS code 335931 covers establishments primarily engaged in manufacturing current-carrying wiring devices essential for electrical distribution and safety. This sector includes businesses producing a range of components such as bus bars, electrical conductors (excluding switchgear-type), ground fault circuit interrupters (GFCIs), lamp holders, lightning arrestors, electrical receptacles, and various types of electrical switches. The products manufactured under this code are critical components used in residential, commercial, industrial, and infrastructure electrical systems. Businesses operating in this sector must comply with strict safety and quality standards to meet regulatory requirements and ensure reliable electrical performance. Government agencies contract for these products to support infrastructure development, facility maintenance, and modernization projects that require durable and code-compliant electrical wiring devices.
Industry Classification for NAICS 335931
This U.S. industry comprises establishments primarily engaged in manufacturing current-carrying wiring devices.
Illustrative Examples:
- Bus bars, electrical conductors (except switchgear-type), manufacturing
- GFCI (ground fault circuit interrupters) manufacturing
- Lamp holders manufacturing
- Lightning arrestors and coils manufacturing
- Receptacles (i.e., outlets), electrical, manufacturing
- Switches for electrical wiring (e.g., pressure, pushbutton, snap, tumbler) manufacturing
Breakdown for NAICS 335931
- Manufacturing of electrical components that carry current in wiring systems.
- Includes devices such as bus bars, receptacles, switches, and lightning arrestors.
- Supports electrical distribution in residential, commercial, and government facilities.
- Typical businesses range from small manufacturers to large electrical equipment producers.
- Government contracts focus on safety, compliance, and durability of electrical devices.
Included Activities for NAICS 335931
- Manufacturing bus bars and non-switchgear electrical conductors.
- Producing ground fault circuit interrupters (GFCIs) for electrical safety.
- Fabricating lamp holders and lighting fixture components.
- Creating lightning arrestors and coils for surge protection.
- Manufacturing electrical receptacles and outlets.
- Producing various types of electrical switches including pushbutton and snap switches.
- Ensuring products meet applicable electrical codes and safety standards.
- Packaging and supplying wiring devices for government infrastructure projects.
Business Types for NAICS 335931
- Electrical wiring device manufacturers
- Small and medium-sized electrical component producers
- Specialized safety device manufacturers
- Industrial electrical equipment suppliers
- Contract manufacturers for government electrical projects
Subcategories for NAICS 335931
- Arrestors and coils, lighting, manufacturing
- Automotive electrical switches manufacturing
- Bus bars, electrical conductors (except switchgear-type), manufacturing
- Caps and plugs, attachment, electric, manufacturing
- Conductor connectors, solderless connectors, sleeves, or soldering lugs, manufacturing
- Connectors and terminals for electrical devices manufacturing
- Connectors, electric cord, manufacturing
- Connectors, solderless (wiring devices), manufacturing
- Connectors, twist on wire (i.e., nuts), manufacturing
- Contacts, electrical (except carbon and graphite), manufacturing
- Convenience outlets, electric, manufacturing
- Cord connectors, electric, manufacturing
- Current taps, attachment plug and screw shell types, manufacturing
- Cutouts, switch and fuse, manufacturing
- Dimmer switches, outlet box mounting-type, manufacturing
- Duplex receptacles, electrical, manufacturing
- Fuse cutouts manufacturing
- GFCI (ground fault circuit interrupters) manufacturing
- Ground clamps (i.e., electric wiring devices) manufacturing
- Ground fault circuit interrupters (GFCI) manufacturing
- Lamp holders manufacturing
- Lamp sockets and receptacles (i.e., electric wiring devices) manufacturing
- Lightning arrestors and coils manufacturing
- Lightning protection equipment manufacturing
- Lugs and connectors, electrical, manufacturing
- Outlets (i.e., receptacles), electrical, manufacturing
- Outlets, convenience, electrical, manufacturing
- Plugs, electric cord, manufacturing
- Rail bonds, propulsion and signal circuit electric, manufacturing
- Receptacles (i.e., outlets), electrical, manufacturing
- Rheostats (i.e., dimmer switches), current-carrying wiring device, manufacturing
- Snap switches (i.e., electric wiring devices) manufacturing
- Sockets, electric, manufacturing
- Solderless connectors (electric wiring devices) manufacturing
- Switch cutouts manufacturing
- Switches for electrical wiring (e.g., pressure, pushbutton, snap, tumbler) manufacturing
- Switches, outlet box mounting-type, manufacturing
- Taps, current, attachment plug and screw shell types, manufacturing
- Terminals and connectors for electrical devices manufacturing
Government Buyers for NAICS 335931
Government agencies such as the Department of Defense, General Services Administration, Department of Energy, and various state and local public works departments commonly purchase current-carrying wiring devices. These agencies require reliable and compliant electrical components to equip military installations, federal buildings, energy facilities, transportation infrastructure, and public housing projects. The safety-critical nature of these products makes quality assurance and adherence to electrical codes essential, motivating government entities to source from qualified manufacturers. Additionally, emergency preparedness and infrastructure resilience programs often involve procurement of wiring devices to ensure continuity of power and safety.
Contract Types & Procurement for NAICS 335931
Contracts for NAICS 335931 products typically include firm-fixed-price and indefinite-delivery indefinite-quantity (IDIQ) contracts, allowing agencies to procure both bulk orders and ongoing supply needs. Competitive bidding is common, but some procurements use set-asides for small businesses or specific socioeconomic categories. Contract values vary widely depending on the scope, ranging from small supply contracts under $100,000 to multi-million dollar facility outfitting or modernization contracts. Government-wide acquisition contracts (GWACs) and General Services Administration schedules are frequently utilized to streamline procurement. Compliance with Buy American Act and other federal sourcing rules also influences contract awards.
Details for NAICS 335931
Explore the hierarchy and related codes for this industry
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