OHLECCTRIC 4x4 Electrical Junction Boxes with Covers (20-Pack) 1-½ Inch Deep, 21 Cu. in. Raised Ground, Ten 1/2" & Six 3/4" KO's, Heavy-Duty Metal Outlet Boxes, Single Duplex Receptacle, UL Listed

Built from drawn and galvanized steel, this 4-inch square junction box provides reliable housing for residential and commercial electrical setups. Features 21 cubic inches of capacity with 1-½ inch depth, integrated raised ground screw, and ten 1/2-inch plus six 3/4-inch knockouts for flexible conduit entry. 2-hour fire rated and UL Listed for outlets, switches, lighting connections, and junction points. Heavy-duty metal construction for exposed work applications. Combination screw heads allow quick installation. Surface mount design with no bracket. Single duplex cover plates included. Ideal for new construction and repair projects.

• Durable Steel Construction: Built from drawn and galvanized steel, this junction box provides a solid and reliable enclosure for residential and commercial electrical setups.
• 21 Cu. In. Capacity: With a 1-1/2 inch depth and 21 cubic inches of space, the junction box offers ample room for wire routing, splicing, and device connections while maintaining proper electrical code standards.
• Raised Ground Design: Features an integrated raised ground screw for secure, accessible grounding connections while maximizing internal wiring capacity for efficient installations.
• Multiple Knockouts: Features ten 1/2-inch and six 3/4-inch knockouts on the sides and bottom, allowing flexible cable or conduit entry for easy installation.
• UL Listed & Fire Resistant: 2-hour fire rated for safety compliance and UL Listed for general electrical applications, suitable for outlets, switches, lighting connections, and junction points in both new construction and repair projects.