To find it quickly, look for a rectangular gray metal box about the size of a medicine cabinet, often positioned close to where power lines enter your home. Bottom Line Up Front: Your home's distribution box (electrical panel) is typically located in the basement, garage, utility room, or mounted outside near your electrical meter. The labels might look confusing at first. You can learn what they mean with some help. This also helps keep your family safe. It receives power from the main electrical supply and divides it into separate circuits, each. A distribution box is a low-voltage electrical enclosure that receives incoming power and distributes it safely to multiple outgoing circuits through protective and switching devices such as MCBs, RCDs, RCBOs, fuses, isolators, busbars, neutral bars, earth bars, and surge protective devices. The. A distribution box uses MCBs, RCDs, and busbars to protect circuits, prevent shocks, and ensure safe power distribution in homes and buildings. If you know. Check electrical parameters: First understand the basic electrical parameters of Distribution box so that you can have a general understanding of the capacity and performance of the distribution box.