The RACO Welded Square Steel Box is designed for reliable installation in ceilings or walls, making it ideal for lighting fixtures, switches, or receptacles. This 4 in. square electrical box is perfect for situations where multiple conductor runs need to be split into two or more directions, efficiently bringing power to several electrical devices. Featuring TKO 1/2 in. and 3/4 in. eccentric knockouts per UL 514-A standards, this box is suitable for use without a bonding jumper in circuits above or below 250 volts. It includes eight 1/2 in. and four TKO side knockouts, as well as three 1/2 in. and two TKO bottom knockouts, providing versatile wiring options. The combination cover screw heads allow for faster mud ring or cover installation, saving time during setup. With a 21.0 cubic inch capacity, this RACO 4 in. square wall box is UL 514-A listed (File E195978) and is acceptable for use in 2-hour rated walls. Choose this dependable solution for your next electrical project when you need a square electrical box that meets rigorous safety and performance standards.