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. However, the key to. An outdoor electrical distribution box serves as the critical junction point where incoming power lines are split into multiple branch circuits for outdoor installations, parking lots, building exteriors, and industrial facilities. Unlike standard junction boxes, these distribution systems must. Distribution boxes are at the heart of safe and organized electrical systems—whether in residential, commercial, or industrial settings.