What must all mechanical elements used for grounding electrodes be?

For grounding electrodes, it is essential that all mechanical elements are corrosion-resistant. Grounding systems are installed in various environmental conditions where exposure to moisture, heat, and other corrosive elements can occur. Corrosion can weaken the grounding system, leading to increased resistance and potential failure in safely dissipating electrical faults.

Corrosion-resistant materials ensure that the integrity and performance of the grounding system are maintained over time, allowing for safe and effective operation. This is particularly important in ensuring compliance with electrical codes and standards, which prioritize safety and reliability in electrical installations.

While flexibility, durability, and electrical conductivity are important characteristics for various components in electrical installations, they do not specifically address the unique challenges posed by corrosive environments that grounding electrodes encounter. By focusing on corrosion resistance, we ensure that grounding systems function properly throughout their intended lifespan, providing critical protection against electrical faults.