HS Code for Ceramic terminal block

The ceramic terminal block is classified under HS code 8547.10, which specifically covers insulating fittings for electrical machines, appliances, or equipment, provided they are made of ceramic materials. According to the General Rules of Interpretation (GRI) 1 and 6, classification is determined by the terms of the headings and any relative section or chapter notes. Heading 8547 is designated for insulating fittings for electrical purposes, other than insulators of heading 85.46. The ceramic body of the terminal block serves as the primary insulating component. While these blocks often contain metal connectors, screws, or terminals, they remain classified here because the metal parts are considered minor assembly components incorporated during the molding or casting process for the purpose of fixing or connecting. The ceramic material provides the essential character of electrical insulation and heat resistance required for high-temperature applications.

Products Included

• Ceramic terminal blocks for industrial furnaces
• High-temperature porcelain connector blocks
• Ceramic insulating bushings for electrical heaters
• Steatite terminal strips for domestic appliances
• Ceramic wire connectors for oven wiring

Common Misclassification

A frequent point of confusion involves HS code 8546.20, which covers electrical insulators of ceramics. The distinction lies in the application: 8546 is generally reserved for insulators used in power transmission or distribution lines (like suspension insulators), whereas 8547.10 is for fittings used within machines or equipment. Another common error is 8536.90, which covers electrical apparatus for switching or protecting circuits. If the item is viewed primarily as a connector rather than an insulating fitting, 8536 might be considered; however, if the insulating body is the predominant feature and it is designed for assembly into equipment, 8547.10 is the more specific classification.

FAQ

What is the HS code for Ceramic terminal block?

The primary HS code for a ceramic terminal block used as an insulating fitting in electrical equipment is 8547.10.

Does the presence of metal screws change the classification?

No, according to the Explanatory Notes to heading 8547, insulating fittings may contain incorporated metal parts (such as threaded sockets, pins, or screws) provided the fitting retains the essential character of an insulating product.