Its primary purpose is to ensure safe and efficient power distribution while providing protection via fuses or circuit breakers against overloads and short circuits. Distribution boxes are built with durable materials, typically metal or high-grade plastic, designed to endure. Distribution boxes come in several types, which can be grouped by installation method, material, and function. By Installation Position: Open Installation: These boxes are fixed on the surface of walls or panels. They are easy to access and maintain, but the wiring remains visible. It helps organize, protect, and control electrical connections in residential, commercial, and industrial electrical systems. Contains switches, push buttons, contactors. The main parts are the Miniature Circuit Breaker (MCB), Residual Current Device (RCD), busbars, and the main switch. Each part. 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. This essential piece of equipment serves as the nerve center of your electrical system, managing power flow. What Is a Distribution Box (DB / Distribution Board)? A distribution box (distribution board / DB box) receives incoming power from the mains supply and safely distributes it to multiple branch circuits.