6 Pack 4" Square Electrical Box with Cover, 1-1/2'' Deep Metal Electrical Box, Galvanized Steel Metal Junction Box Outlet Boxes (21.0 Cu. in.Capacity,Silver)

[Standard 4-inch Square Size]: Measuring 4 x 4 inches, it offers ample internal space for installing wires, switches, or sockets. Compatible with most standard 4-inch junction boxes; please verify the dimensions before installation. Each electrical box includes 3 screws and a cover. | Safe to use: Provides a protective enclosure for electrical connections,Suitable for use with 24-hour firewalls, this galvanized steel junction box kit is an excellent choice for both professional and regulatory compliance. | Pre-drilled holes: Pre-drilled holes provide pre-cut openings, simplifying the installation process and saving time and effort in construction or assembly. | Galvanized steel structure: Made of high-strength galvanized steel, it is durable and corrosion-resistant. It remains stable without deforming or rusting, thus extending its service life. | Versatile Applications: This professional-grade, multi-functional galvanized steel junction box kit easily accommodates a large number of wires, connectors, and equipment, preventing cable congestion and ensuring heat dissipation and safety. Suitable for applications including home renovations, new construction projects, commercial buildings, industrial facilities, basement remodeling, garage upgrades, and outdoor installations.