Enameled Copper Winding Wire for Transformers from Japan
Polyurethane enameled copper wire used for transformer and inductor windings, with insulation rated for 600V. Fits HTS 8544.49.30 as other insulated copper electric conductors under 1,000V. The enamel coating enables compact, high-efficiency transformer designs.
Duty Rate — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Section 301 (forced labor) — Japan (col1 rate < 12.5 percent): MFN < 12.5% → total duty capped at 12.5%
Import Tips
• Submit dielectric strength test results confirming insulation integrity under 1,000V
• Document enamel type (polyurethane, polyester) and cure specifications for CBP review
• Watch for reclassification if wound on bobbins as 'parts of transformers' (8504.90)