U.S. Customs and Border Protection · CROSS Database · 1 HTS code referenced
Primary HTS Code
8547.10.8000
$6.3M monthly imports
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Ruling Age
22 years
Data compiled from CBP CROSS Rulings, Census Bureau Trade Data · As of 2026-05-03 · Updates monthly
The tariff classification of porcelain insulating tubes from Japan
NY J83778 May 28, 2003 CLA-2-85:RR:NC:1:112 J83778 CATEGORY: Classification TARIFF NO.: 8547.10.8000 Mr. Vincent Bowen White & Case 601 Thirteenth Street, N.W. Washington, DC 20005-3807 RE: The tariff classification of porcelain insulating tubes from Japan Dear Mr. Bowen: In your letter dated April 22, 2003, on behalf of Locke Insulators, Inc., you requested a tariff classification ruling. As indicated by the submitted descriptive literature, the porcelain insulating tubes are used in the manufacture of circuit breakers and other types of electrical equipment such as transformers. These tubes provide the necessary insulating feature for the safe operation of the electrical equipment. The applicable subheading for the porcelain insulating tubes will be 8547.10.8000, Harmonized Tariff Schedule of the United States (HTS), which provides for insulating fittings of ceramics: Other. The rate of duty will be 3 percent ad valorem. This ruling is being issued under the provisions of Part 177 of the Customs Regulations (19 C.F.R. 177). A copy of the ruling or the control number indicated above should be provided with the entry documents filed at the time this merchandise is imported. If you have any questions regarding the ruling, contact National Import Specialist David Curran at 646-733-3017. Sincerely, Robert B. Swierupski Director, National Commodity Specialist Division