Electrical wiring in any home or commercial space is a critical part of a building’s operation, and the primary colors used to identify the different lines are black, white, red, and green. It’s important to understand why each color is used and what it means for the overall system so you can properly maintain your wiring.
Black, white, red, and green wiring are the standard colors used to identify the wires, making it easier for a homeowner or an electrician to trace back any particular line or circuit. Black is typically used as the neutral wire, which runs from the power source in the circuit breaker box out to the various switches, outlets, and appliances. White is used for the hot wire, which feeds the electricity needed to operate whatever is connected to it. Red wires offer a secondary hot wire to feed electricity, and green wires act as a ground.
Knowing the colors of electrical wiring is just one piece of knowledge necessary to add, maintain, or repair wiring. It’s important to understand the right safety protocols when handling electrical wiring, and the consequences of improperly installed wiring can be costly and potentially dangerous. If you don’t feel comfortable with the wiring in your home or business, you should always contact an electrician for help.
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