##  [Air Clearance](/air-clearance) 

  ##  [Air Clearance](https://engineering.quantumdictionary.io/air-clearance-0) 

  

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**Engineering & Applied Technologies Dictionary**

 







 

 

 

 



 

 

 

 

Definition

The minimum through‑air distance between two conductive parts measured along the shortest path through the surrounding air; specified to prevent breakdown (flashover) under stated voltage, altitude and environmental conditions and for given test waveforms (e.g., peak, impulse).