The main function of a Distribution Box is to act as a central hub. Inside, the power is split into multiple, smaller circuits that run to different areas—like the kitchen, bedrooms, lighting, and. A power distribution box (also known as a distribution board or panel) is an essential electrical device that receives power from the main source and distributes it to various circuits throughout a facility. It ensures that circuits are safe, organized, and easy to manage. Plus, efficient power use lowers energy waste, cutting costs and helping the environment. The table below shows some important research: Tripathy, S.