What material is often used for grounding conductors?

Copper is commonly used for grounding conductors due to its excellent electrical conductivity, durability, and resistance to corrosion. These properties make copper an ideal choice to ensure a reliable electrical connection that can safely carry fault currents to the ground. Effective grounding is crucial for the safety of electrical installations, as it helps to prevent electric shock, protect equipment, and reduce the risk of electrical fires.

While other materials like aluminum can also be used for certain grounding applications, they do not provide the same level of conductivity or longevity compared to copper. Materials like plastic and rubber are not suitable as grounding conductors because they are insulators instead of conductors, meaning they do not allow for the proper dissipation of electrical currents. Thus, copper stands out as the preferred choice for grounding conductors in electrical systems.