What is a wire color code?

Answer

The standard wiring color code says that blue is always DC and red is always AC. However, different items may use a red wire for something else. It's best to look at any instructions that come along with the item that needs wiring to make sure that you don't cross wires. In general, a green wire is a ground wire because it resembles grass and grass is on the ground. A white wire is considered to be a neutral wire.
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