What is Earthing?
The metallic parts of electric machinery and devices to the earth plate or earth electrode through a thick conductor wire (which has very low Resistance) for safety purpose is known as Earthing or grounding.
Methods of Earthing | Types of Earthing
1). Plate Earthing:
In plate earthing system, a plate made up of either copper with dimensions 60cm x 60cm x 3.18mm is buried vertical in the earth (earth pit) which should not be less than 3m (10ft) from the ground level.
• A galvanized steel and a