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U.S. imports of electrical insulators of ceramics (HS 854620) totaled $19.9M in July 2026, traded with 36 countries.
Importers of Electrical Insulators of Ceramics paid $4.5M in duties in July 2026 — an effective duty rate of 24% on $18.8M in dutiable value, based on actual customs collections rather than the published tariff schedule. Electrical Insulators of Ceramics imports of $19.9M in July 2026 ran 26% above the year-to-date monthly average of $15.8M.
Last updated: July 2026 dataCeramic electrical insulators — encompassing porcelain pin-type, line-post, and high-voltage suspension types — are foundational components of transmission and distribution infrastructure worldwide. The US tariff schedule subdivides this heading by application: suspension/pin-type or line-post insulators (8546200030), high-voltage low-frequency ceramic insulators not elsewhere specified (8546200060), and all other ceramic insulators (8546200090). China and India are the dominant import sources, together accounting for the bulk of US supply; Brazil and Slovakia round out the supplier base. Section 301 tariffs apply to Chinese-origin ceramic insulators, a factor that has accelerated utility procurement diversification toward India and other suppliers.
AI-written summary of the official U.S. Census Bureau trade figures on this page — verify before relying on it.
670 shipments/mo
Subheading 8546200030 covers suspension, pin-type, and line-post insulators — the most common distribution and transmission line types. Subheading 8546200060 captures high-voltage, low-frequency ceramic insulators that do not fit the pin/line-post description, such as certain station post or apparatus insulators. The NESOI line (8546200090) covers remaining ceramic insulators not meeting either prior description. Correct classification requires matching the insulator's design and voltage rating to the subheading definitions.
Because Chinese-origin ceramic insulators are subject to Section 301 tariffs, many US utilities and electrical contractors have shifted procurement toward India, which has expanded its ceramic insulator manufacturing capacity significantly. Importers should evaluate total landed cost — including Section 301 exposure — when comparing Chinese and Indian suppliers, and should verify origin documentation carefully given the complexity of ceramic component supply chains.
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ImportsExports
Imports
$19.9MYoY · Pro
Exports
$5.2MYoY · Pro
12-mo low · imports
YoY · ProThrough July 2026. Source: U.S. Census Bureau.
Subheading 2 of 3 in heading 8546
Subheading 854620 · $19.9M of $51.6M
HS10 import codes under this HS6 parent, each with its own page. Source: U.S. Harmonized Tariff Schedule.
| Code | Description | Import Value | Effective Tariff % | Dutiable Share | Duty Collected |
|---|---|---|---|---|---|
| 8546200030 | Electrical Insulators, Spssn,Pin-Type or Line Post | $9.6M | 22.40% | 99.05% | $2.2M |
| 8546200090 | Electrical Insulators, Ceramic, NESOI | $5.6M | 24.88% | 85.16% | $1.4M |
| 8546200060 | Electrical Insulators, Ceramic, Hgh-V, L-Fy, NESOI | $4.8M | 20.76% | 96.26% | $989K |
HS10 export codes under this HS6 parent, each with its own page. Source: U.S. Schedule B export classification.
| Code | Description | Export Value |
|---|---|---|
| 8546200090 | Electrical Insulators, Ceramic, NESOI | $4.3M |
| 8546200060 | Electrical Insulators, Ceramic, Hgh-V, L-Fy, NESOI | $499K |
| 8546200030 | Electrical Insulators, Spssn,Pin-Type or Line Post | $453K |
Import lines come from the U.S. Harmonized Tariff Schedule and export lines from Schedule B. The two are numbered by different agencies, so the same 10-digit code can appear in both tables describing a different product.
Imports · July 2026
origin
China and India together supply 65% of it.
customs district
destination
entry
rate provision · imports
4.7% enters free of duty; the effective duty rate is 22.70%.