Glass Post Insulator for Substation Equipment from Canada
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 — Canada → United States
12.9%
Rate breakdown
9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
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