The evaluation of both quality and integrity of the coating on a copper bonded earthing rod is crucial to ensuring its long-term performance, corrosion resistance, and compliance with international standards such as IEC 62561 and UL 467. Here's how the process works: 1. Coating Thickness Test: A coating thickness gauge is used to measure the copper layer on the rod. According to I... https://www.pioneerpowers.com/copper-bonded-earth-rod.php