The 4" Square Box with a 2-1/8" depth from Southwire is a welded electrical box designed for robust installations. This box features 1/2" and 3/4" knockouts, allowing for versatile conduit connections. Constructed from high-quality steel, it meets ANSI and UL standards for safety and durability. The box dimensions make it ideal for housing electrical connections, switches, and outlets in both residential and commercial settings. Its deep design provides ample space for wiring and connections, ensuring a neat and organized installation. This square box is a reliable choice for any electrical project.