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Home › Chapter 85 › Heading 8544

HS Heading 8544 : Insulated (including enameled or anodized) wire, cable (including coaxial cable) and other insulated electric conductors, whether or not fitted with connectors; optical fiber cables, made up of individually sheathed fibers, whether or not assembled with electric conductors or fitted with connectors

HEADING DEFINITION & DISAMBIGUATION

HS Heading 8544 encompasses insulated (including enameled or anodized) wire, cable (including coaxial cable) and other insulated electric conductors, whether or not fitted with connectors; optical fiber cables, made up of individually sheathed fibers, whether or not assembled with electric conductors or fitted with connectors. It classifies 8 6-digit WCO subheadings within Chapter 85 under the Harmonized System [USITC HTS 2026].

Chapter
Heading
8544
Subheadings
8 HS6
Status
Verified 2026

Subheadings Under Heading 8544

HS Code WCO 6-Digit Subheading Description Chapter Operational Package
8544.11 Winding wire, Of copper 85 View 8544.11 Package →
8544.19 Winding wire, Other 85 View 8544.19 Package →
8544.20 Coaxial cable and other coaxial electric conductors 85 View 8544.20 Package →
8544.30 Ignition wiring sets and other wiring sets of a kind used in vehicles, aircraft or ships 85 View 8544.30 Package →
8544.42 Other electric conductors, for a voltage not exceeding 1,000 V, Fitted with connectors 85 View 8544.42 Package →
8544.49 Other electric conductors, for a voltage not exceeding 1,000 V, Other 85 View 8544.49 Package →
8544.60 Other electric conductors, for a voltage exceeding 1,000 V 85 View 8544.60 Package →
8544.70 Optical fiber cables 85 View 8544.70 Package →
DISAMBIGUATION & CLASSIFICATION GUIDE

How to Select the Correct Subheading Under Heading 8544

Commercial shipments must be declared under the exact 6-digit WCO subheading that matches physical, chemical, or processing characteristics. Review the subheading descriptions above and verify against binding CBP CROSS rulings prior to entry filing.

Official Primary Sources & Authority References

USITC HTS Heading 8544 ↗

United States International Trade Commission official Harmonized Tariff Schedule.

CBP CROSS Rulings ↗

CBP e-Rulings database for Heading 8544 precedent rulings.

WCO Nomenclature ↗

World Customs Organization Harmonized System 2022 nomenclature standard.

U.S. Census Foreign Trade ↗

U.S. Census Bureau HTS-to-NAICS concordance and Schedule B export database.

Heading 8544 Frequently Asked Questions (FAQ)

What commercial articles are grouped under HS Heading 8544?
HS Heading 8544 covers Insulated (including enameled or anodized) wire, cable (including coaxial cable) and other insulated electric conductors, whether or not fitted with connectors; optical fiber cables, made up of individually sheathed fibers, whether or not assembled with electric conductors or fitted with connectors, grouping 8 6-digit WCO subheadings.
How are 6-digit subheadings structured under Heading 8544?
Subheadings under Heading 8544 range from 8544.11 to 8544.90, classifying goods by processing state, origin, or material composition.
What is the representative US import duty rate for Heading 8544?
US MFN general duty rates for Heading 8544 commodities range from Duty-Free up to representative ad valorem percentages under the 2026 US HTS.
Are Section 301 tariffs applicable to goods under Heading 8544?
Section 301 additional tariffs depend on the specific 8-digit or 10-digit US HTS code and country of origin (e.g. China Lists 1–4A).
What PGA message set flags apply to Heading 8544?
Partner Government Agency flags (FDA, USDA APHIS, EPA) apply depending on the specific commodity sub-classification.
How do I distinguish between subheadings under Heading 8544?
Review WCO subheading terms and candidate descriptions. For example, unroasted vs. roasted or decaffeinated vs. non-decaffeinated.
Can goods under Heading 8544 enter duty-free under USMCA?
Yes. Goods originating in USMCA territories (US, Mexico, Canada) enter duty-free under SPI code P with a valid Certificate of Origin.
What is the Section 321 de minimis limit for Heading 8544?
Eligible import shipments valued at $800 USD or less imported by one person on one day enter duty-free under 19 U.S.C. 1321.
What documents are required for formal customs entry of Heading 8544?
Commercial Invoice, Packing List, Bill of Lading, and CBP Form 7501 are mandatory for entries exceeding $2,500 USD.
How can an importer get a binding CBP classification ruling for Heading 8544?
Importers may apply for a binding ruling via CBP National Commodity Specialist Division under 19 CFR Part 177.