Ceramic Bushing Insulator from Japan
High-voltage ceramic bushing insulators used in electrical transformers and switchgear, made entirely of insulating ceramic material with minor metal threaded inserts for assembly. These fittings provide electrical insulation between conductors and grounded metal parts. Classified under HTS 8547.10.80.00 as other ceramic insulating fittings apart from heading 8546 insulators.
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 95% to qualify as insulating fittings; obtain material test certificates; ensure metal components are minor (<5% by weight) for molding assembly only