Horizontal Line Post Insulators

Ceramic horizontal line post insulators for 46kV distribution, featuring trunnion mounting for crossarm applications. Designed for high mechanical load and electrical reliability in low-frequency systems. HTS 8546.20.00.30 covers these as line post ceramic insulators.

Import Duty Rates by Country of Origin

Origin CountryMFN RateCh.99 SurchargesTotal Effective Rate
🇨🇳China3%+35.0%38%
🇲🇽Mexico3%+10.0%13%
🇨🇦Canada3%+10.0%13%
🇩🇪Germany3%+10.0%13%
🇯🇵Japan3%+10.0%13%

Alternative Classifications

This product could be classified differently depending on its characteristics or intended use.

4008.21.00.00Lower: 35% vs 38%

If constructed with rubber or elastomer skirts

Plate or rod-shaped rubber articles for electrical applications classify in Chapter 40

8547.20.00.00Lower: 35% vs 38%

If for use in high-frequency (>100Hz) electrical systems

High-frequency insulators have separate heading classification

Not sure which classification is right?

Our AI classifier can analyze your specific product and recommend the correct HTS code with confidence.

Import Tips & Compliance

- Document horizontal cantilever rating (typically 9.5kN) and base thread size

- Verify petticoat skirt design prevents flashover in contaminated environments

- Common error: Incorrect voltage class declaration leads to duty recalculation

Related Products under HTS 8546.20.00.30

Porcelain Suspension Insulators

High-voltage porcelain suspension insulators designed for suspending overhead power transmission lines, typically rated 69kV to 230kV. These ceramic insulators provide electrical insulation and mechanical support in low-frequency AC systems. Classified under 8546.20.00.30 as suspension-type ceramic insulators for high-voltage applications.

Pin-Type Porcelain Insulators

Ceramic pin-type insulators for supporting overhead distribution lines up to 33kV, featuring a single pin mounting design. These provide both insulation and mechanical attachment for crossarms in low-frequency systems. Meets HTS 8546.20.00.30 as pin-type ceramic insulators for high-voltage use.

Line Post Porcelain Insulators

Station post ceramic insulators for vertical mounting on utility poles, rated 15kV to 69kV for distribution substations. These provide cantilever strength for line support in high-voltage, low-frequency circuits. Specifically covered by HTS 8546.20.00.30 as line post insulators.

69kV Suspension Disc Insulators

Porcelain disc suspension insulators rated at 69kV, used in strings for overhead transmission towers. Each cap-and-pin unit provides high mechanical strength and contamination resistance. Classified under 8546.20.00.30 for suspension-type ceramic high-voltage insulators.

ANSI C29.2 Suspension Insulators

Standard porcelain suspension insulators conforming to ANSI C29.2 specifications for 115kV transmission lines. Fog-type design resists surface contamination and provides superior flashover protection. Specifically identified under HTS 8546.20.00.30 as suspension insulators.