Learn how to install a distribution box safely and correctly. Covers wiring, placement, standards, and expert tips for a compliant setup. It takes the incoming power and safely distributes it to different circuits. Whether you are an electrical contractor or a construction brigade, knowing how to properly and safely install distribution boxes is the basis of ensuring the safe operation of the entire system. Whether you're a professional or a DIY enthusiast, understanding the correct procedure can prevent accidents and ensure optimal performance. A distribution box, also known as a distribution board, electrical panel, or breaker box, is an enclosure that houses electrical components responsible for distributing electricity throughout a building.