Unity 12124SCNK Screw-On Cover Enclosure, 16 Ga Painted Low Carbon Steel, Screw Terminal Connection, Gunsmoke Gray Color, Construction: Formed From Code Gauge, Low Carbon Steel, Keyhole Slotted Cover Allows Plated Screws to Stay In Place, Surface Mounting, No Knockouts, Dimensions: 12 In Width X 4 In Depth X 12 In Height, Enclosure: Nema 1, IP30, C/Us Ul 50 and Ul 50E - Type 1: Intended For Indoor Use Primarily to Provide A Degree Of Protection Against Limited Amounts Of Falling Dirt, Csa C22.2 No. 40 Cert