How often is a lightning rod piling? How far is it?
The ground wire can be made of 50 angles and so on. The vertical grounding shall be no less than 2.5 meters, and the grounding resistance shall not exceed 10 ohms.
Concrete mixing station lightning arrester is in the cement tank top is arranged on the top of the lightning rod, making steel rod can be less than 16mm in diameter, with a cross section of 50 mm round steel or flat steel along the tank guided wire welding in the underground.
