High-Voltage Porcelain Post Insulator from Japan
A cylindrical porcelain insulator designed for supporting high-voltage power lines on utility poles, featuring a glazed surface for weather resistance. Classified under HTS 8546.20.00 as it is made entirely of ceramic material to provide electrical insulation in overhead transmission systems.
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
• Verify ceramic composition exceeds 50% by weight to confirm classification under 8546.20.00; provide material test certificates
• Ensure insulators meet ANSI C29 standards for voltage rating; include dielectric strength test reports in documentation