Electrical Wiring & Conduit Import Tariff Rates by Country (2026)

Effective tariff rates for electrical wiring & conduit range from 15% to 50% depending on the country of origin. The lowest-cost sourcing origins include Mexico (15%), Japan (15%), South Korea (15%). The highest tariff burden applies to imports from Brazil (50%), Canada (35%), China (33.9%). The average MFN base rate of 4.5% serves as the starting point, with surcharges and trade agreements creating the wide range of effective rates across 195 countries.

Electrical wiring tariffs raise costs for new construction and renovation projects; contractors have increasingly sourced from Mexican manufacturers.

• Chapter 8544
• Chapter 7306

• Romex wire
• THHN wire
• Armored cable
• Conduit pipe
• Cable trays
• Wire connectors
• Junction boxes