In this video, I try to explain three phase distribution board layout and wiring diagram. Three phase power supply is required, when the Power distribution requirement cannot be handled by a single phase power supply.
Three-phase system can be described as the common method of alternating current power generation, transmission, and distribution. In this system, the current will pass through the three wires, and there will be one neutral wire for passing the fault current to the earth.
Updated Electrical Wiring Color Codes
Phase 1- Brown
Phase 2 - Black
Phase 3 - Grey
Neutral - Blue
Protective Earth – Green-and-Yellow

If you have any questions about three phase DB wiring, please comment below the video. I will answer your questions.

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