The grounding pin, also known as the grounding pole, is a metal conductor or a group of conductors in direct contact with the soil. It is divided into an artificial grounding pole and a natural grounding pole. They act as conductors in close contact with the earth and provide an electrical connection to the earth safely dissipates mine energy into the earth. The ground pin plays a vital role in electrical safety and lightning protection. Through good contact with the earth, effectively guides and distributes the current, protects equipment and personnel from over-current hazards such as lightning and lightning.