Base
HTS 8546Chapter 85

HTS 8546Electrical insulators of any material: Duty Rate & Import Guide

Electrical Machinery and Equipment · 14 court cases · $40.5M monthly imports · 100% from 1 countries · Updated daily from USITC

Duty Rates

General

Free

Special

Free

Column 2

Free

Trade Agreement Eligibility

CUSMAKORUS

Trade Intelligence

Monthly Imports

$40.5M

2026-01

Trade Concentration

100%

from top 3 of 1 origins

Regulatory Pressure

HIGH

1 rulings — · 0 reg · 13 CIT, 1 CAFC (2 recent)

Global Rates

🇺🇸 Free

🇬🇧 United Kingdom: N/A · 🇪🇺 European Union: N/A · 🇨🇦 Canada: N/A · 🇧🇷 Brazil: N/A

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Data compiled from USITC HTS, US Census Bureau, CBP CROSS Rulings, CourtListener · As of 2026-04-29 · Updates monthly

Active DisputesRecent court cases or pending regulations affect this code
Regulatory Pressure

This code has elevated regulatory activity — 1 CBP rulings (0 in last 2 years, trend: stable), 0 pending Federal Register actions, and 14 CIT/CAFC cases.

Supply Chain Risk

100% of US imports for this code come from just 1 countries. High origin concentration increases exposure to trade disruptions or tariff escalations.

Trade Remedy

Additional Tariffs Apply

Section 301 — China Tariffs+25%

List 1 — ~$34B of Chinese goods (machinery, electronics, industrial components)

Active — 7.5%–25% additional duties on Chinese-origin goods across four tranches (Lists 1–4A), with higher 2024/2025 increases on targeted product categories.

Effective 2018-07-06

These additional tariffs apply on top of the general duty rate. View full trade remedy tracker →

Subheadings (6)

CodeDescriptionRate
8546.10.00.00Of glass2.9%
8546.20.00Of ceramics3%
8546.20.00.30Commonly known as suspension, pin-type or line post insulators
8546.20.00.60Other
8546.20.00.90Other
8546.90.00.00OtherFree

CBP Rulings (1)

559385Classification

PRD 2809-95-100594; Power Fence, Electric Fence for Enclosing and Controlling Wild and Domestic Animals; Controller/Energizer for Dispensing Low Impedance Electrical Impulse, Wire, Fence Posts, Connectors, Insulators, Switches, Gate Handles Reels; Grounding System for Returning Electrical Impulse to Controller; Machinery, Equipment, Implements to be Used for Agricultural or Horticultural Purposes; 9817.00.50, Parts, 9817.00.60; HQ 086211, HQ 952143, HQ 955546, HQ 958875

Court of International Trade & Federal Circuit (14)

View all 14+ cases on PACER →

Matching Export Code (Schedule B)

8546100000Schedule B

ELECTRICAL INSULATORS OF GLASS

Census Bureau export classification matching this HTS import code.

8543.90.88.858546.10.00.00