Porcelain Suspension Insulator Disc
A single porcelain disc unit for string suspension insulators in extra-high-voltage transmission lines, featuring ball-and-socket design. Classified in HTS 8546.20.00 for its ceramic construction providing high mechanical and electrical strength.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If metal cap-and-pin dominant
Primarily metal structures classify as fabricated steel products.
If unglazed or unfinished ceramic articles
Articles of cement, concrete or artificial stone with ceramics in 6810 if not electrical.
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Import Tips & Compliance
• Certify to IEC 60383 standards; provide puncture and flashover test results
• Declare as individual units, not strings, to prevent set classification issues
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