The iron distribution box is an electrical equipment shell made of high-quality cold-rolled steel plate as the base material, formed through stamping and welding, and processed through key surface treatment techniques. This material features a high-strength structure and can provide safe and. The Metalbox recessed distribution boxes from Solera are certified with IP40 and IK07, are linkable, and feature a removable metal frame. Our metal electrical power distribution box is made of iron with painting which with complete size, including 6 ways, 10 ways, 14 ways, 20 ways, 22 ways, 36. Distribution boxes are a crucial component of any residential, commercial, or industrial electrical system. Suitable for both Fiery Mines and Surface application. Commonly used distribution box has two.