Always place the Main Switch on the far left. When planning the electrical system of a home or building, it's essential to understand how to organize and wire the distribution board. Each section must be carefully labeled to avoid confusion and ensure proper function during maintenance or upgrades. It serves as a central hub for distributing electricity throughout a building, ensuring that power is delivered safely and efficiently to all the required locations. Electric symbols of various elements use in the drawing is as per IS code 2032 Part-11-1969 Type of Electrical drawings Electrical – Basis of design. Electrical systems power our homes, offices, and industrial facilities, but behind every reliable electrical setup lies a crucial component that often goes unnoticed: the distribution box. different types feeders are used for outgoing just like as pump, distribution board, Motor, lighting load etc. MCCB is used for making and.