Distribution boxes ensure safe and efficient power distribution. Choosing the right type depends on your application, voltage level, and functional. A control box is an enclosure that houses components used to start, stop, regulate, and monitor machinery or processes. Contains switches, push buttons, contactors, and relays for turning. Knowing the difference helps with: 2. Structure and Function of a. 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. The hub distributes electrical power from a single input source to various circuits throughout a building.