What color is typically used for the hot wire in residential wiring?

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In residential wiring, the hot wire is typically colored black. This color-coding system is important for safety and identification purposes, allowing electricians and homeowners to easily distinguish between different types of wires. The hot wire carries electrical current from the power source to the electrical devices, making its identification essential for safe handling during installation, maintenance, or troubleshooting.

In contrast, other colors serve different purposes: white is generally used for neutral wires, which carry current away from devices and back to the power source; green is designated for grounding wires that protect against electrical faults; and gray may also indicate neutral or additional grounding in specific installations but is not used for hot wires. Understanding these color codes is crucial for anyone working with or around electrical systems to prevent accidents and ensure compliance with electrical codes.

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