What type of wire is typically used for grounded connections?

Green or bare wire is typically used for grounded connections because it is specifically designated for grounding purposes in electrical systems. Ground wires provide a safe path for electricity to return to the ground in case of a fault, helping to prevent electrical shock or fire hazards. This standard is set by electrical codes, which ensure that these wires are easily identifiable and used consistently to promote safety in electrical installations.

The other color choices do not indicate grounded connections: black is commonly used for hot wires, red is often used for secondary hot wires or switched legs, and white is generally reserved for neutral conductors. The distinct identification of green or bare wires is crucial to ensure that anyone working with electrical systems can quickly and accurately recognize grounding connections, thus maintaining safety and compliance with electrical regulations.