The typical copper purity and thickness employed in copper bonded earthing rods are important parameters that guarantee their long-term efficiency and dependability in grounding and lightning protection systems. Copper Purity: Copper bonded earthing rods are manufactured using 99.9% pure electrolytic copper bonded to a high-tensile, low-carbon steel core. This high purity ensures ... https://www.pioneerpowers.com/copper-bonded-earth-rod.php