2022 NAICS industry in sector 31-33 Manufacturing

33593 Wiring Device Manufacturing

NAICS 33593 is the US industry code for wiring device manufacturing. It covers establishments primarily engaged in manufacturing current-carrying wiring devices and noncurrent-carrying wiring devices for wiring electrical circuits.

Official definition

This industry comprises establishments primarily engaged in manufacturing current-carrying wiring devices and noncurrent-carrying wiring devices for wiring electrical circuits.

Source: US Census Bureau, 2022 NAICS descriptions.

When to use a different code

Census classifies these close-sounding activities somewhere else. Businesses mainly engaged in:

Manufacturing ceramic and glass insulators are classified in Subsector 327, Nonmetallic Mineral Product Manufacturing.
Manufacturing electronic component-type connectors, sockets, and switches are classified in Industry 33441, Semiconductor and Other Electronic Component Manufacturing.

Source: US Census Bureau, 2022 NAICS cross-references.

Codes in 33593

Data last changed November 14, 2026. How this page is built.