Meaning of VOLTAGE in English

[noun]At high voltages, cables need to be properly insulated. [C]Transistors are safe to use because they only need low voltage. [U]The voltage regulator on my car is broken.(figurative) Sara Hughes gives a high-voltage (= very exciting) performance in one of the most exciting plays to hit London this year. [U]

Cambridge English vocab.      Кембриджский английский словарь.