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HTS 8544.42 (8544.42.00) duty rate

8544.42.00 is not a rated tariff line. Subheading 8544.42 (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 ) is split into 3 tariff lines, and the duty rate depends on which one your product falls under:

LineDescriptionGeneralSection 301 (China)Exclusions
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

Open the line that matches your product for its full rate table, Section 301 actions, exclusions, statistical suffixes and a free duty calculator.

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

Subheading 8544.42 at a glance

Heading 8544 · Chapter 85 · HTS lookup

General information from the official US Harmonized Tariff Schedule (USITC); not legal or customs advice. Classification is decided by CBP.