1. Site Assessment and Soil Resistivity Testing Before you get started with the installation, it’s crucial to perform a soil resistivity test—methods like the Wenner four-pin are great for this. This test will help you figure out the ideal length and number of rods needed, and whether you’ll need to enhance the soil. It’s an important step to determine if a standard installation will... https://www.pioneerpowers.com/copper-bonded-earth-rod.php