A distribution box, also known as a distribution panel or board, is a cabinet that holds electrical parts used to supply power to multiple circuits within a system. It acts as the central point where electricity distribution is managed inside a building. They receive electrical power from. This ultimate guide explains what a distribution box does, its internal components, common types, real-world applications, and how to select the right DB Box for your project. It integrates power distribution, protection, and monitoring capabilities, and is responsible for distributing power to entire commercial or residential. A distribution box uses MCBs, RCDs, and busbars to protect circuits, prevent shocks, and ensure safe power distribution in homes and buildings.