U.S. imports of Electrical Conductors, Not Exceeding 1,000 V (NES) (SITC 77316) totaled $1.2B in August 2026, imported from 109 countries.
Importers of Electrical Conductors, Not Exceeding 1,000 V (NES) paid $260.5M in duties in August 2026, an average duty rate of 21.90% — duty actually collected as a share of the imports that cleared customs, not the published tariff schedule.
Last updated: August 2026 dataInsulated electrical conductors rated at or below 1,000 V that don't fit more specific headings—such as winding wire, coaxial cable, or vehicle wiring sets—are captured here as the residual low-voltage conductor category. Product diversity is wide, spanning building wire, flexible cords, and specialty industrial cables, with conductor material, insulation type, and configuration (single vs. multi-core) driving both specification and pricing. Section 301 tariffs affect certain conductor imports from key sourcing countries, and copper price volatility adds a commodity-risk layer that distinguishes this category from most manufactured goods.
AI-written summary of the official U.S. Census Bureau trade figures on this page — verify before relying on it.
56.3K import shipments a month
Winding wire, coaxial cable, vehicle ignition wiring sets, and optical fiber cables each have dedicated headings and are excluded from this residual provision. Additionally, conductors rated above 1,000 V move to the high-voltage conductor heading. Classifiers should work through the more specific headings before defaulting to this NES category.
Because copper is a significant portion of conductor cost, transaction value—the basis for ad valorem duty calculation—fluctuates with metal prices even when the manufacturing margin is stable. Importers on long-term supply contracts should monitor whether invoice prices reflect current market values, as significant undervaluation relative to market can trigger CBP scrutiny.
Basic heading 23 of 642 in section 7
Basic heading 77316 · $1.2B of $172.0B
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Imports · August 2026
origin
Mexico and China together supply 53% of it. China pays 45.9% duty; Canada 6.0%.
customs district
Census does not publish district detail for this classification system.
destination
Census does not publish state detail for this classification system.
entry
Census does not publish port detail for this classification system.
ImportsExports
Imports
$1.2BYoY · free account
Exports
$957.7MYoY · free account
12-mo low · imports
Low · free accountOver the twelve months to August 2026, the U.S. imported $13.0B of Electrical Conductors, Not Exceeding 1,000 V (NES).
Through August 2026 · exports 10 of 12 months reported. Source: U.S. Census Bureau.