The Thomas & Betts Square Box Cover is designed for durability and reliability, making it an ideal choice for protecting electrical boxes in residential, commercial, or industrial settings. Manufactured by Hubbell Raco, this flat, square cover fits 4-inch electrical boxes and is constructed from hot rolled ASTM G-90-U, AISI C-1008 0.062-in. steel with a galvanized finish for long-lasting performance. The cover is UL approved and meets Federal Specification W-J-800, ensuring safety and compliance with industry standards. Its rounded corners provide a smooth, finished look while helping to prevent accidental injury during installation or maintenance. This 2-gang box cover is perfect for use as a 4x4 blank cover for electrical boxes, offering a secure fit for junction boxes and helping to protect wiring and devices from dust, debris, and accidental contact. The low-profile design makes it suitable for a variety of applications, including use as a flat electrical box cover or a 4-inch receptacle cover. Easy to install and maintain, this cover is a practical solution for electricians and DIY enthusiasts seeking a dependable electrical box cover for their projects.