 ##  [Overvoltage](/overvoltage) 

  ##  [Overvoltage](https://engineering.quantumdictionary.io/overvoltage-0) 

  
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**Engineering &amp; Applied Technologies Dictionary**

 
Definition

A transient or sustained rise of electrical potential above the nominal system voltage that increases electrical stress on insulation and connected equipment and can cause malfunction or physical damage if not limited by design or protection.