Choose the right box based on environment (indoor/outdoor), load capacity, and durability. Check for proper IP/NEMA ratings and material quality. 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. Learn how to install a distribution box safely and correctly. In this electrical DIY guide i will be showing you how to install a new socket. I will take you through the process step by step so that you can install a new plug socket in your room! We will cover everything from chasing the cable into the wall to wiring up the new socket. A distribution box, also known as a.