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

As of Revision 22 (2026), effective Oct 30, 2026Source: USITC HTS ↗

Chapter 99 measures listing products under 8547

9903.82.01 Section 232No change
Articles provided for in subdivision (c) of U.S. note 16 to this subchapter that do not contain any aluminum, steel, or copper
1 listed product
9903.82.03 Section 232No change
Except for articles classifiable in chapters 72, 73, 74 or 76, articles where the weight of the applicable metal is less than 15 percent of the weight of the imported article, as provided for in subdivision (c) of U.S. note 16 to this subchapter
1 listed product
9903.88.03 Section 301+25%
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…
China4 listed products

HTS	Description	General	Column 2
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%	60%
8547.10.80.00	Other	3%	60%
8547.20.00.00	Insulating fittings of plastics	Free	30%
8547.90.00	Other	4.6%	45%
8547.90.00.10	Other insulating fittings
8547.90.00.20	Conduit tubing
8547.90.00.30	Threaded
8547.90.00.40	Other