Southwire 2-Duplex Receptacles 4 In. x 4 In. Square Device Cover is a durable square industrial surface cover designed to close a 4-inch square junction box. It is i for securely attaching devices in surface mount industrial or commercial settings. The cover features a crushed corner design that accommodates standard box cover screws, ensuring easy installation. This product meets UL and RoHS compliance standards, providing assurance of quality and safety. Model Number: G1939-UPC