How do I know which wire is live and neutral?

Electrical wiring in residential settings typically adheres to a standardized color-coding system for safety and ease of installation. This system helps electricians and homeowners identify the purpose and function of each wire quickly and accurately.

White wires are designated as neutral wires in most electrical systems. They serve as the return path for electrical current, carrying it back to the power source after it has traveled through the circuit.

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Despite being labeled as neutral, white wires can become "hot" or energized when the circuit is complete. This occurs when the white wire is connected to a live circuit, allowing electrical current to Flow through it.

On the other hand, black wires are designated as hot wires or live wires. They carry electrical current from the power source to the various outlets and fixtures in a home.