150 Watt 12 Volt Magnetic Transformer features a formed steel case with polyester powdercoat steel with removable door. Two .5 inch knockouts on each side. Thermally protected. Euro-Board terminal block for easy low voltage cable attachment. Transformer should be mounted on the wall, structure or post in the vertical position. Cable entries should be positioned downward. 6 foot heavy duty power cord with 3-prong grounded wall plug.