8487 | | Machinery parts, not containing electrical connectors, insulators, coils, contacts or other electrical features, and not specified or included elsewhere in this chapter: | | | | |
8546 | | Electrical insulators of any material: | | | | |
8546.20.00 | 30 | Commonly known as suspension, pin-type or line post insulators | No. | | | |
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: | | | | |
8547.10.40 | 00 | Ceramic insulators to be used in the production of spark plugs for natural gas-fueled, stationary, internal combustion engines | No. | 3% | Free (A,AU,BH,CA, CL,E,IL,J,JO, MA,MX,P,SG) | 60% |