OHLECTRIC Heavy-Duty 4x4 Welded Metal Electrical Junction Box (20-Pack) 2-⅛" Deep Square Electrical Box [16 KO's ½ & ¾] Grounded, 30.3 Cu in Capacity, Drawn Construction, Steel Utility Box Enclosure

This 4x4 inch metal electrical junction box is a heavy-duty 4" square electrical box designed for dependable wiring connections. Built with drawn galvanized steel construction, it delivers strong, rigid performance with corrosion resistance in a compact footprint. The 2-1/8" depth provides a generous 30.3 cu. in. capacity for splices, junctions, pulls, and branch-circuit wiring.Featuring 16 total knockouts—(10) 1/2" and (6) 3/4"—it offers flexible conduit or cable entry options for a wide range of applications. A raised ground provision supports secure grounding, and the box works with standard 4" square covers and mud rings for a clean, professional finish in residential or commercial installs.

• 4x4 inch metal electrical junction box / square electrical box
• 2-1/8" deep with 30.3 cu in capacity for larger wiring volume
• 16 KO total: (10) 1/2" knockouts and (6) 3/4" knockouts
• Raised ground provision for reliable equipment grounding
• Silver galvanized steel for corrosion resistance and long service life
• Drawn construction for strength, rigidity, and clean edges
• Ideal for junctions, splices, pulls, and branch wiring connections
• Compatible with standard 4" square covers, mud rings, and accessories
• Heavy-duty utility box for commercial and residential installations
• Clean, professional electrical enclosure for conduit or cable entries