Electrical Voltage Classes

On the basis of different criteria, electrical voltages can be classified into many classes based on different standards. A general classification of voltage classes and range is shown below:

Voltage ClassRange
Extra-low voltage0 – 50 kV
Low voltage50 V – 1 kV
Medium voltage1 – 35 kV
High voltage35 – 245 kV
Extra high voltage>245 kV

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