Powerfields' grounding system is the heart of an electric fence, and when installed properly, will provide years of trouble-free fence power. A single copper clad ground rod measuring 5/8" diameter and 6' long for connecting the negative post of an electric fence charger to the earth. It is generally recommended one 6' ground rod per joule on the energizer. This could vary depending on ground and weather conditions. | Powerfields Copper Clad Ground Rod