How to Identify Different Wires by Their Colors
5681 Wire colors are usually based on a model code designated by a national or international standards organization. This table only lists the most commonly used ones in the US and it does not cover all the scenarios. It is highly recommended to identify wires with voltage detectors. If you are unsure, please consult a qualified electrician.
|
Region or Country |
Phases(L, L1/L2/L3) |
Neutral(N) |
Protective Earth/Ground |
|
United States ( NEC) |
120, 208 or 240V Black, Red, Dark Blue
277 or 480V Blown, Orange, Yellow
|
White, Grey
|
Green& Yellow, Green
|
|
More is coming soon. |
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CAUTION: The color codes listed may differ from your local situation. Please refer to local wire codes before wiring.
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