In grounding systems, what is the function of a supplemental electrode?

In grounding systems, the function of a supplemental electrode primarily revolves around decreasing grounding resistance. Supplemental electrodes are additional grounding elements installed alongside the main grounding system. Their purpose is to provide an alternate path to ground, enhancing the overall electrical grounding system's efficiency.

By reducing the grounding resistance, supplemental electrodes help ensure that the electrical system can effectively dissipate fault currents or lightning strikes. A lower resistance means that the grounding system can facilitate a quicker and safer event response, protecting both equipment and personnel. Moreover, this ensures better overall safety and reliability of the electrical system, as it reduces the likelihood of voltage buildup during fault conditions.

While increasing grounding efficiency and stabilizing frequency are important in certain contexts, they are not the primary role of supplemental electrodes. Similarly, while connecting to the neutral may play a part in grounding systems, the direct function of supplemental electrodes is to specifically address and improve grounding resistance.