What is the duty rate for HTS 8547?

Q: What is the duty rate for HTS 8547?

The general duty rate for HTS 8547 is Free. This code covers: Insulating fittings for electrical machines, appliances or equipment, being fittings wholly of insulating material apart from any minor components of metal (for example, threaded sockets) incorporated during molding solely for the purposes of assembly, other than insulators of heading 8546; electrical conduit tubing and joints therefor, of base metal lined with insulating material:.

HTS 8547Chapter 85

HTS 8547 — Insulating fittings for electrical machines, appliances or equipment, being fittings wholly of insulating material apart from any minor components of metal (for example, threaded sockets) incorporated during molding solely for the purposes of assembly, other than insulators of heading 8546; electrical conduit tubing and joints therefor, of base metal lined with insulating material: Duty Rate & Import Guide

Electrical Machinery and Equipment · 14 court cases · $35.7M 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

$35.7M

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 (9)

Code	Description	Rate
8547.10	Insulating fittings of ceramics:	—
8547.10.40.00	Ceramic insulators to be used in the production of spark plugs for natural gas-fueled, stationary, internal combustion engines	3%
8547.10.80.00	Other	3%
8547.20.00.00	Insulating fittings of plastics	Free
8547.90.00	Other	4.6%
8547.90.00.10	Other insulating fittings	—
8547.90.00.20	Conduit tubing	—
8547.90.00.30	Threaded	—
8547.90.00.40	Other	—

CBP Rulings (1)

953074Classification

Ferrite Core; Sony Corporation of America; Insulating Fittings For Electrical Machines; HQ 950417; HQ 089042; HQ 089263; HQ 089869; HQ 082097; "Insulate" Defined; Principal Use