High-Voltage Porcelain Suspension Insulators from Mexico
These ceramic suspension insulators are designed for supporting high-voltage overhead power transmission lines, typically rated 69kV or higher. Made from high-alumina porcelain, they provide electrical insulation and mechanical strength under extreme weather conditions. Classified under 8546.20.00.90 as ceramic electrical insulators not specified elsewhere in the subheading.
Duty Rate — Mexico → United States
13%
Rate breakdown
9903.05.5510%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.94, articles the product of Mexico, as provided for in U.S. note 52 to this subchapter
Import Tips
• Verify material certification confirming >50% ceramic content (porcelain) to avoid reclassification to glass insulators (8546.10)
• Include dielectric strength test reports (minimum 100kV) and mechanical load ratings in documentation