Which wire color typically denotes a neutral wire in residential wiring?

In residential wiring, the color white is universally recognized as the standard for neutral wires. This designation is critical for the safety and functionality of electrical systems, as the neutral wire provides a return path for electricity, which completes the circuit. This wire carries current under normal operating conditions, balancing the load between the electrical supply and the return path.

Using white for neutral wiring helps ensure consistency and clarity during electrical installations and repairs, allowing electricians and homeowners to follow conventions and avoid confusion between different types of wires. Furthermore, adhering to these color codes is important for compliance with electrical codes and safety regulations, preventing potential hazards such as short circuits or electrical shock.

In contrast, other colors have specific meanings: red is typically used for secondary power or switched legs, black is designated for hot wires, carrying current to the load, and green is used for ground wires, which serve a vital role in safety by providing a path for fault current. Understanding these distinctions reinforces the importance of proper wiring practices and adherence to code requirements in electrical work.