When connecting multiple buildings electrically, what is crucial regarding the neutral conductor?

The neutral conductor plays a vital role in electrical systems, especially when connecting multiple buildings. It serves the purpose of carrying return current and providing a reference point for voltage. Ensuring that the neutral conductor is connected to the grounding electrode is crucial for safety and system stability.

Connecting the neutral to the grounding electrode helps to establish a clear path for fault currents, reducing the risk of electric shock or fire hazards. It also helps stabilize the voltage levels across the electrical system, minimizing potential differences that could result from faults or voltage fluctuations.

In contrast, isolating the neutral conductor from other conductors, matching its size to ungrounded conductors, or running it in a separate conduit does not address the critical function of grounding in enhancing safety and reliability in electrical installations. Therefore, ensuring the proper grounding of the neutral conductor is essential when connecting multiple buildings electrically.