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An earth rod (ground rod) is a metal electrode driven into the soil to connect an electrical system to the earth, safely channeling fault currents, lightning strikes, and excess voltage away from people and equipment. [1, 2]
Main Types of Earth Rods
Copper-bonded steel: Features a steel core for strength when driven into the ground, coated with a layer of copper for conductivity and corrosion resistance.
Solid copper: Made from high-purity copper bars with internal threading for extensions; used for extreme corrosion resistance and long life.
Stainless steel: Ideal for corrosive, industrial, or coastal/saltwater environments to prevent