Which color of wire is typically used for ground conductors in electrical systems?

Ground conductors are a critical safety component in electrical systems, providing a path for fault currents and preventing electrical shock hazards. In wiring practices, the standardized color for ground conductors is green or bare. This color coding helps electricians and other professionals easily identify ground wires among the various conductors in a system.

Using green or bare wire consistently for ground conductors ensures safety and compliance with electrical codes. In the event of an electrical fault, it allows for immediate recognition of ground wires and aids in troubleshooting and repairs. Recognizing this standard is essential in maintaining safe electrical installations.

The other colors mentioned in the choices are typically associated with different functions in electrical wiring. Red and blue wires are often used as hot conductors in three-phase systems, while yellow is commonly used for switch legs or travelers in circuits. Thus, the identification of ground conductors by green or bare wire significantly enhances workplace safety and adherence to electrical codes.