Material: Stainless Steel, Aluminum, carbon steel Colors:white RAL9003/darkgrayRAL7017 is normal, and other be ordered. and can galvanized A colored zinc plated electrical box is a type of junction box or enclosure that is used to house and protect electrical connections and wiring. The box is made of steel or other metal that has been coated with a layer of zinc to prevent rust and corrosion. The zinc coating is then colored to provide a decorative finish that can match the surrounding décor or blend in with the building's exterior. Colored zinc plated electrical boxes are commonly used in residential and commercial construction projects to provide a safe and secure housing for electrical components.