In a grounded system, what is the minimum requirement for grounding conductors?

In a grounded system, grounding conductors must be sized appropriately according to specifications to ensure they can effectively handle fault currents and provide proper protection. The correct sizing is crucial because it affects the conductors’ ability to carry current safely without overheating or failing during a fault condition. Grounding conductors are required to be of a size that meets or exceeds the minimum standards set by electrical codes and regulations, which take into account factors such as the type of installation, the environment, and protective measures.

While grounding conductors may be bare or insulated, the critical aspect is that they must be appropriately sized. The other options address different aspects of grounding conductors but do not emphasize the importance of following the correct sizing requirements, which are essential for ensuring safety and compliance in electrical systems.