Ceramic High-Voltage Coupling Insulator from Japan
A porcelain coupling device that electrically connects high-voltage busbars while providing insulation for circuits over 1,000V. HTS 8535.90.80.20 applies to such electrical couplings in power distribution substations.
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
• Include creepage distance measurements in technical docs for voltage compliance verification
• Certify material as porcelain or ceramic to distinguish from plastic insulators
• Package individually to avoid damage claims during customs inspection