HTS heading 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 — 10 codes under this heading, with the duty on each.
| Code | Description | General rate | Units |
|---|---|---|---|
| 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 + Ch. 99 | not stated | — |
| 8547.10 | Insulating fittings of ceramics + Ch. 99 | not stated | — |
| 8547.10.40.00 | Ceramic insulators to be used in the production of spark plugs for natural gas-fueled, stationary, internal combustion engines + Ch. 99 | 3% | No. |
| 8547.10.80.00 | Other + Ch. 99 | 3% | No. |
| 8547.20.00.00 | Insulating fittings of plastics + Ch. 99 | Free | No. |
| 8547.90.00 | Other + Ch. 99 | 4.6% | — |
| 8547.90.00.10 | Other insulating fittings + Ch. 99 | 4.6% (inherited from 8547.90.00) | No. |
| 8547.90.00.20 | Conduit tubing + Ch. 99 | 4.6% (inherited from 8547.90.00) | kg |
| 8547.90.00.30 | Threaded + Ch. 99 | 4.6% (inherited from 8547.90.00) | kg |
| 8547.90.00.40 | Other + Ch. 99 | 4.6% (inherited from 8547.90.00) | kg |
4 of these lines state no rate of their own and inherit one from the line above, which is how the schedule is read. Each says which line it came from.
Additional duties may apply
10 lines here reference Chapter 99, where Section 301, Section 232 and other additional duties live. Those are charged on top of the general rate and depend on where the goods were made. What those provisions are.
Source: Harmonized Tariff Schedule of the United States, U.S. International Trade Commission (public domain). Classification and the duties that finally apply to a shipment are a licensed customs broker's call.