Ceramic High-Voltage Coupling Insulator from Mexico
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 — Mexico → United States
12.7%
Rate breakdown
9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
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