Copper bonded earthing rods come in a variety of standard sizes and lengths, designed to meet different installation needs and adapt to various soil conditions. Top suppliers like Pioneer Power International provide a wide range of options to ensure they fit seamlessly into both residential and industrial grounding systems. You’ll typically find diameters like 12.5 mm, 14.2 mm, 17.2 m... https://www.pioneerpowers.com/copper-bonded-earth-rod.php