High-Alumina Ceramic Spool Insulator from Mexico
Spool-shaped high-alumina ceramic insulator for guy wire strain relief in low-frequency transmission structures up to 230 kV. High tracking resistance per IEC 60273. HTS 8546.20.00.60 classification for other types.
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
• Test for RIV levels under 100 microvolts; mark with mechanical load rating; distinguish from standard strain under customs review