Socket wire enters the distribution box
This is the first and crucial connection—attach the incoming live wire (typically marked with brown or red insulation) to the main terminal in the distribution box. Whether in a home or an industrial facility, this box keeps your electrical setup organized, functional, and efficient. A distribution board or distribution box is where the main power supply is distributed to multiple loads. Wire color: The neutral wire is blue, and the color of the phase wire (A phase is yellow, B phase is green, and C phase is red).
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