Line Post Porcelain Insulators from China
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.
Duty Rate — China → United States
40.5%
Rate breakdown
9903.88.0325%Except as provided in headings 9903.88.13, 9903.88.18, 9903.88.33, 9903.88.34, 9903.88.35, 9903.88.36, 9903.88.37, 9903.88.38, 9903.88.40, 9903.88.41, 9903.88.43, 9903.88.45, 9903.88.46, 9903.88.48, 9903.88.56, 9903.88.64, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(e) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(f)
9903.05.3112.5%Section 301 (forced labor) — additional 12.5% ad valorem on products of China
Import Tips
• - Submit cantilever strength ratings (e.g
• 10kN) and pollution class designation
• - Common issue: Unmarked insulators may be treated as unfinished ceramic goods
• - Include test reports showing compliance with IEEE Std C29.9 requirements