Porcelain Suspension Insulator Disc from Japan
A single porcelain disc unit for string suspension insulators in extra-high-voltage transmission lines, featuring ball-and-socket design. Classified in HTS 8546.20.00 for its ceramic construction providing high mechanical and electrical strength.
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
• Certify to IEC 60383 standards; provide puncture and flashover test results
• Declare as individual units, not strings, to prevent set classification issues