For a faster installation, add a driving tool attachment to a drill or use a post driver tool to insert the rod into the soil. Then, stand over the rod and use a hammer or mallet to gradually drive the rod vertically into the ground. Simply place the pointed end of the ground rod into the hole you dug. Most electrical codes state to drive the ground rod 8 feet (2.4 m) deep into the ground. Use a hammer to drive the rod all the way into the ground. Use a ground meter or earth electrode tester to measure the ground’s resistance and determine if you need to install more than 1 ground rod. Currently, most electrical codes require you to add 2 ground rods at least 6 feet (1.8 m) apart if your ground resistance is greater than 25 ohms.The mark lets an electrical inspector know that you used an approved rod. A listed ground rod has a marking near the top that states that it is approved for grounding use.If the rod is not listed, they need to be at least 5⁄ 8 inch (1.6 cm) wide. In the US, listed ground rods are at least 8 feet (2.4 m) long and 1⁄ 2 inch (1.3 cm) wide.X Expert Source Ricardo MitchellĮlectrician & Construction Professional, CN Coterie Expert Interview. They’re also electro-plated with copper for its conductivity and longevity.
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