Glass Post Insulator for Substation Equipment from Japan
Solid glass post insulators supporting busbars and equipment in high-voltage substations. Falls under HTS 8546.10.00.00 as glass electrical insulators engineered for vertical compression loading in power facilities.
Duty Rate — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of Japan, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 12.5 percent, as provided for in U.S. note 52 to this subchapter
Import Tips
• Provide cantilever strength and seismic qualification certificates
• Specify exact post height and base diameter dimensions
• Ensure no porcelain center core; pure glass construction required for this code