TR 
EN 
AR 
ZH 
FR 
DE 
IT 
PT 
RU 
ES 
UK 
Lightning is a high-voltage electrical discharge that occurs in the atmosphere. It usually happens between clouds and the ground.
According to international regulations, three types of low-voltage power grids are defined.
In electricity terms, earthing is connecting a conductive element to the ground via a conductive path.
