Subheading 853510: Electrical Apparatus; Fuses, for a Voltage Exceeding 1000 Vol … etc.
Subheading 853521: Electrical Apparatus; Automatic Circuit Breakers, for a Volta … etc.
Subheading 853529: Electrical Apparatus; Automatic Circuit Breakers, for a Volta … etc.
Subheading 853530: Electrical Apparatus; Isolating and Make-and-break Switches, … etc.
Subheading 853540: Electrical Apparatus; Lightning Arresters, Voltage Limiters a … etc.
Subheading 853590: Electrical Apparatus; N.E.C. in Heading No. 8535, for Switchi … etc.