The grounded conductor between two panels in a wiring system carries current during what situation?

The grounded conductor, often referred to as the neutral conductor, is an essential part of electrical systems that serves specific roles in both fault conditions and normal operation. During normal operation, this conductor carries the imbalance of current from the hot conductors—especially in systems where there are multiple circuits. For example, in a single-phase system, when you have multiple loads connected, the neutral ensures that the return path for these loads is secure and balanced.

In the case of a fault, such as a short circuit or ground fault, the grounded conductor can also carry current to help ensure that protective devices, like circuit breakers or fuses, operate correctly to isolate the fault from the rest of the system.

Thus, the grounded conductor is responsible for carrying current both in normal conditions—by completing the circuit for the electrical loads—and during fault conditions to help maintain safety and system integrity. This versatility is why the correct understanding is that it carries current during either a fault or normal operation.