8545 (01/1988-..) Carbon electrodes, carbon brushes, lamp carbons, battery carbons and other articles of graphite or other carbon, with or without metal, of a kind used for electrical purposes

85451100 (01/1988-..) Electrodes of graphite or other carbon, for electric furnaces 85451900 (01/2011-..) Electrodes of graphite or other carbon, for electrical purposes (excl. those used for furnaces) 85451910 (01/1988-12/2010) Electrodes of graphite or other carbon, for electrolysis installations 85451990 (01/1988-12/2010) Electrodes of graphite or other carbon, for electrical purposes (excl. those for electrolysis installations or furnaces) 85452000 (01/1988-..) Carbon brushes for electrical purposes 85459010 (01/1988-..) Heating resistors for electrical purposes, of graphite or other carbon 85459090 (01/1988-..) Articles of graphite or other carbon, for electrical purposes (excl. electrodes, carbon brushes and heating resistors) 8546 Electrical insulators of any material (excl. insulating fittings)