Distribution boxes can be broadly categorized by their voltage level, application environment, and primary function. The two most fundamental distinctions are between Low-Voltage Distribution Boards and Medium-Voltage Distribution Enclosures, often referred to as Ring Main Units. Types, Uses & How to Choose A distribution box, also known as a power distribution box or electrical distribution box, is used to distribute electrical power safely to multiple circuits. It helps organize, protect, and control electrical connections in residential, commercial, and industrial. Home / blog / Ultimate Guide to Distribution Boxes (DB Boxes): Types, Components, Applications, and How to Choose the Right One For procurement professionals, electrical contractors, and project managers, choosing the right Distribution Box (DB Box) is a critical decision that directly impacts. In this guide, we'll break down the 12 main types of distribution boxes in a way that's easy to understand. We'll chat about what each one does, where it shines, and then dive into how to choose the perfect box for your needs. Circuit Breakers or Fuses: These safety devices automatically stop the flow of electricity during faults or overloads. It is usually wall-mounted or embedded in the wall.