Which method is used to bond a remote distribution panel?

• A. By connecting the enclosure to the ungrounded conductor bus
• B. By connecting the enclosure to the neutral bus
• C. By connecting the enclosure to the grounding bus
• D. By utilizing multiple ground rods

Answer: (C)

The method used to bond a remote distribution panel is to connect the enclosure to the grounding bus. This connection is vital for creating a safe electrical system by ensuring that any fault current has a low-resistance path back to the ground. By bonding the enclosure to the grounding bus, it helps prevent electrical shock hazards and surges from damaging devices connected to the panel.

Additionally, this practice ensures that the ground potential is the same throughout the system, which is crucial in maintaining safety and proper function. Grounding protects both the equipment and individuals who may come into contact with the electrical system, and helps facilitate the safe operation of circuit breakers and other protective devices.

Using a grounding bus instead of alternatives such as connecting to the neutral bus or ungrounded conductor bus ensures that there is a clear separation between the grounding and neutral conductors, adhering to the National Electrical Code (NEC) requirements. This reduces the risk of neutral current flowing on grounding conductors, which can lead to safety issues.

Overall, bonding a remote distribution panel to the grounding bus is an essential practice for safety and compliance within residential electrical inspections.