ELECTRICAL EARTHING FOR INDUSTRY

Types of Earthing Systems

1. Plate Earthing: Involves burying a metal plate (usually copper or galvanized iron) into the ground. It is commonly used in large industrial installations.
2. Rod Earthing: Utilizes metal rods driven into the ground. This is a cost-effective method, often used where soil conditions permit easy rod penetration.
3. Strip or Wire Earthing: Employs metal strips or wires buried in horizontal trenches. This method is suitable for areas with rocky or hard soil.
4. Pipe Earthing: Involves burying a perforated pipe filled with alternate layers of charcoal and salt. This method is effective for areas with high soil resistivity.