Glass Suspension Insulator for High-Voltage Power Lines from Japan

A toughened glass disc insulator designed for suspending overhead high-voltage transmission lines, providing electrical insulation between conductors and support structures. It falls under HTS 8546.10.00.00 as it is specifically made of glass for electrical insulation purposes in power distribution systems.

Duty Rate — Japan → United States

12.9%

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

Import Tips

Verify the glass material composition and dielectric strength certification to confirm classification under 8546.10

Include test reports for puncture and flashover voltage compliance as required by NEMA and IEC standards

Avoid misclassification by ensuring no metal fittings are imported separately; complete assemblies stay in this code