Choose the right box based on environment (indoor/outdoor), load capacity, and durability. Check for proper IP/NEMA ratings and material quality. Whether in your own home, in a rented apartment or in a business, the distribution box is a central element of every electrical system. It takes the incoming power and safely distributes it to different circuits throughout your building. As a minimum, they concentrate electricity to different circuits for steady delivery, controlling possible overloads or short circuits on all. The ideal location to install electrical distribution boxes should keep a distance from water, flammable and explosive substances and corrosive substances. If they need to be placed outdoors, especially in high humidity, you must ensure their waterproofness. Many experts say you should follow these steps: Make clear goals.