To really know what type of circuit breaker distribution panel you have, you might want to look for a model number or a serial number inside the panel door. 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. To find it quickly, look for a rectangular gray metal box about the size of a medicine cabinet, often positioned close to. It is normal to feel unsure about your distribution box. The labels might look confusing at first. You can learn what they mean with some help. This also helps keep your family safe.