What defines a conductor that is not intended to carry current during normal operation?

A conductor that is not intended to carry current during normal operation is defined as an equipment grounding conductor. This type of conductor serves an important safety function by providing a path for electrical current to flow back to the ground in the event of a fault, such as a short circuit or equipment failure. Its primary purpose is to prevent electric shock and ensure that any exposed metal parts of electrical equipment do not become energized.

In contrast, other types of conductors have different roles. A neutral conductor does carry current during normal operation as it completes the circuit back to the source, while a grounding electrode is a component of a grounding system that connects the electrical system to the earth. An active conductor, which is typically involved in carrying current for the operation of electrical devices, is also not the correct answer since it is designed to conduct current under normal conditions. Thus, the identification of the equipment grounding conductor as the correct choice aligns with its unique function and purpose within electrical systems.