High-Alumina Ceramic Spool Insulator from United States
This spool-shaped high-alumina ceramic insulator is used for guy wire strain relief in low-frequency transmission structures up to 230kV. It offers high tracking resistance per IEC 60273 standards. As a ceramic insulator, it is classified under tariff item 8546.20.00.
Duty Rate — United States → Canada
0%
Import Tips
• Verify the spool insulator meets IEC 60273 tracking resistance requirements
• Provide the alumina content percentage for CBSA classification
• Ensure the guy wire attachment method complies with Canadian utility standards