There are many kinds of high-voltage electrical appliances, according to the role of it in electric power system, they can be divided into: 

Switch electrical appliances: Such as circuit breaker, isolating switch, load switch and grounding switch, etc. 

Protection appliances: Such as fuse, lightning arrester. 

Measuring appliance: Such as voltage transformer and current transformer. 

Current limiting appliances: Such as reactor and resistor. 

Complete sets of electrical appliances and assembled electric appliances. 

Other: Such as power capacitor. (shj)