Enameled Copper Winding Wire for Transformers from China

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 — China → United States

40.3%

Rate breakdown

9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
9903.88.0125%Except as provided in headings 9903.88.05, 9903.88.06, 9903.88.07, 9903.88.08, 9903.88.10, 9903.88.11, 9903.88.14, 9903.88.19, 9903.88.50, 9903.88.52, 9903.88.58, 9903.88.60, 9903.88.62, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(a) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(b) [to this subchapter]

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)