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HTS heading 8544: Insulated (including enameled or anodized) wire, cable (including coaxial cable) and other insulated electric conductors, whether or not fitted with connectors;

Heading 8544 of the US Harmonized Tariff Schedule 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. Below: every rated tariff line in it with its general duty rate, Section 301 China status and exclusions, then a page per line with a free duty calculator.

Official USITC HTS, 2026HTSRev20 · check on hts.usitc.gov

Heading 8544 at a glance

Goods named in this heading (official line texts): Of copper, Coaxial cable and other coaxial electric conductors, Ignition wiring sets and other wiring sets of a kind used in vehicles, aircraft or ships, Fitted with modular telephone connectors, Of a kind used for telecommunications, Of a kind used for telecommunications, Of copper, Fitted with connectors, Of copper, Optical fib….

Subheadings (6-digit)

All tariff lines in heading 8544

LineDescriptionGeneralSection 301 (China)Exclusions
8544.11.00Winding wire: Of copper3.5%List 1 +25%
8544.19.00Winding wire: Other3.9%List 1 +25%
8544.20.00Coaxial cable and other coaxial electric conductors5.3%List 3 +25%
8544.30.00Ignition wiring sets and other wiring sets of a kind used in vehicles, aircraft or ships5%List 1 +25%
8544.42.10Fitted with modular telephone connectorsFreeList 3 +25%
8544.42.20Of a kind used for telecommunicationsFreeList 3 +25% (1 product exclusion may apply)1
8544.42.90Other: Other2.6%List 3 +25% (2 product exclusions may apply)2
8544.49.10Of a kind used for telecommunicationsFreeList 2 +25%
8544.49.20For a voltage not exceeding 80 V: Other3.5%List 2 +25%
8544.49.30Other: Of copper5.3%List 1 +25%
8544.49.90Other: Other3.9%List 1 +25%
8544.60.20Other electric conductors, for a voltage exceeding 1,000 V: Fitted with connectors3.7%List 1 +25%
8544.60.40Other: Of copper3.5%List 1 +25%
8544.60.60Other: Other3.2%List 2 +25%
8544.70.00Insulated (including enameled or anodized) wire, cable (including coaxial cable)…: Optical fib…FreeList 1 +25%

All of chapter 85 · Chapter 85 rate summary · HTS lookup

General information from the official US Harmonized Tariff Schedule (USITC) and USTR Section 301 notices in HTS Chapter 99; not legal or customs advice. Classification is decided by CBP; confirm with a licensed customs broker or a CBP binding ruling.