PVC (polyvinyl chloride) electrical wall box features easy installation. Ideal for residential or light commercial applications. UL (Underwriter's Laboratories) listed. Number Of Gangs: 1-Gang \nMaterial: PVC \nConstruction: Molded \nMount Type: Old Work \nWidth: 2-3/8 In. \nHeight: 3-5/8 In. \nDepth: 1-1/4 In. \nVolume: 8 Cu. In. \nKnockouts: 1/2 In. Top & Bottom \nMetallic/Non-Metallic: Non-Metallic \nGangable: No \nShape: Rectangle \nColor: Blue \nCertification: UL Listed \n