This AutoCAD DWG file includes a complete Single Line Diagram (SLD) of a Distribution Board, showing circuit breakers, wiring connections, and load distribution for lighting, power, and mechanical systems. A distribution board or distribution box is where the main power supply is distributed to multiple loads. Whether you're an electrician or a DIY enthusiast, this guide will help you understand the basics of home electrical distribution. Line (Red) and Neutral (Black) carrying single phase supply from transformer secondary and utility. In this article, we will discuss the wiring diagram for a typical 6 terminal junction box, which is commonly used in residential and commercial buildings for a variety of applications.
[PDF Version]