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NAICSSector 33
U.S. imports of noncurrent-carrying wiring devices (NAICS 335932) totaled $73.6M in April 2026, traded with 58 countries.
Importers of Noncurrent-Carrying Wiring Devices paid $10.9M in duties in April 2026 — an effective duty rate of 20% on $54.3M in dutiable value, based on actual customs collections rather than the published tariff schedule.
Last updated: April 2026 dataNAICS 335932 covers manufacturers of conduit bodies, junction boxes, cable trays, wireways, and other mechanical enclosures and fittings that protect and route electrical conductors without themselves carrying current. These products are essential infrastructure for commercial and industrial electrical installations and must meet NEC requirements for the environments in which they are installed — including ratings for wet locations, hazardous areas, or outdoor exposure. Steel and aluminum are the dominant materials, meaning Section 232 tariff considerations can affect input costs for domestic manufacturers and landed costs for importers.
AI-written summary of the official U.S. Census Bureau trade figures on this page — verify before relying on it.
Steel conduit, cable trays, and enclosures imported into the US may be subject to Section 232 tariffs on steel and aluminum articles, depending on the product's composition and country of origin. Country-specific exclusions and quota arrangements have been negotiated with certain trading partners, so importers should verify current Section 232 treatment for their specific HTS subheading and supplier country before finalizing sourcing.
NEMA enclosure ratings (e.g., NEMA 1 for indoor dry locations, NEMA 4X for outdoor or corrosive environments) and UL listings are the primary specifications buyers specify for noncurrent-carrying wiring devices. Imported products must carry the appropriate NRTL listing for the intended installation environment; mismatched ratings can result in NEC code violations and product liability exposure for distributors and contractors.
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Monthly import values over time
No geographic breakdown available
U.S. trade for this product is not broken down by state or port in the latest Census Bureau release.