The main parts are the Miniature Circuit Breaker (MCB), Residual Current Device (RCD), busbars, and the main switch. Safe habits and checking the box often help stop electrical accidents. It ensures that circuits are safe, organized, and easy to manage. A properly installed electrical distribution box is important for. A Distribution Box, commonly known as a DB Box, serves as the central point for safely distributing electrical power from a main supply to multiple downstream circuits. With one input and several outputs, these boxes allow multiple devices to connect through the distro. In this guide, we'll break down the 12 main types of distribution boxes in a way that's easy to understand. They control how much power is enough for a perfect working.