Best Knock Out Electrical Boxes of 2026

This plenum box has a drawn construction, 30.3 cu. in. capacity, and is UL listed. It is a 4 in. square electrical box with eleven 1/2 and five 3/4 in. knockouts and 2-1/8 in. depth.

The Sigma Electric 143854WH Round Box provides a versatile junction for conduits, lampholders, and lighting systems with its five 1/2-in knockouts and 16 cu. in. capacity. Its die-cast construction is powder coated for corrosion resistance, and it comes with mounting lugs, closure plugs, and a pre-installed ground screw. This product is UL and CSA listed, suitable for wet locations, and NEMA 3R rated.

The Wiegmann SC060604 SC-Series NEMA 1 Screw Cover Wallmount Pull Box is a versatile electrical box designed for commercial and general industrial applications. This gray textured box is made of 16 gauge carbon steel, ensuring durability and strength. With its spot welded construction, it meets the UL and CSA standards for safety. The box is designed to be used as both a junction box and a pull box, providing flexibility for various wiring needs. You can also order flush covers separately for flush mount applications. The Wiegmann Wallmount Pull Box offers a reliable and convenient solution for your electrical enclosure needs.

The Hubbell-Raco 680 Switch Box is a pre-galvanized steel made device with 2-1/8 inch depth and 30.3 cu. in. capacity. It comes with 17 1/2 inch knockouts and is ideal for surface mount applications. The product is acceptable for use in 2-hour fire rated walls and can be used as wiring devices or switch boxes.

The Leviton Media Center Grommets are designed to protect the cables that pass through your structured media center knockouts. These grommets help prevent damage to your cables by providing a smooth barrier against sharp edges. They come with guided slits that you can easily trim to fit different cable sizes, giving you flexibility for various setups. Made from durable black rubber, these grommets are built to last and offer a neat, professional look. Plus, being made in the USA ensures a reliable quality that you can trust for your home or office installations.

The Hubbell-Raco 8293 Ceiling Pan is a flat cover used to close an outlet box and mount a device. It features key-hole mounting, which allows for easy installation. This product is a great choice for electrical conduit fittings.

The Venussar Metal Electrical Box offers a compact 4" by 4" size with a 1-1/2" depth, providing enough space to safely house your electrical connections with a 21 cubic inch capacity. Its sturdy galvanized steel construction means the box resists rust and corrosion, ensuring long-lasting protection for your wiring. With 16 pre-cut knockouts, this box makes installation easier by allowing you to quickly create openings for wires without extra tools. Plus, it’s built to fit within fire-rated walls, giving you peace of mind that your electrical setup is shielded even in challenging environments.

The OHLECTRIC PVC Outlet Box is built with sturdy PPO plastic, giving you a durable and long-lasting solution for your electrical needs. Its design includes built-in nails, so you can easily and securely mount it to studs, saving you time during installation. The box is also fire-rated for two hours, providing an extra layer of safety and peace of mind when wiring your home or office. With a spacious 20 cubic inch capacity and multiple knockouts, you have plenty of room to manage cables efficiently, making your wiring setup neat and flexible.

The Southwire Multi Mount Box is designed for versatility and strength, featuring heavy-duty mounting screws that can support up to 42 pounds. This makes it ideal for securely mounting various devices without worrying about stability. With the largest volume available in device boxes, you have ample space for all your electrical needs. The ability to mount both vertically and horizontally provides flexibility in installation, allowing you to choose the best orientation for your setup. Plus, being UL Listed ensures that this device box meets rigorous safety standards, giving you peace of mind during your projects.

The Sonilco 4 Inch Electrical Box is built from sturdy galvanized steel, which helps prevent rust and ensures it lasts a long time, even in tough conditions. This means you can trust it to protect your electrical connections safely. It meets UL safety standards, so you know it’s reliable for both visible and hidden installations. The box’s 4-inch size fits most standard ceiling and wall electrical devices, making your installation straightforward. Plus, with six 3/8-inch knockouts, you have plenty of options for running cables or conduits, giving you flexibility to customize your setup easily.