4" Square Electrical Box, 2-1/8" Deep, 30.3 Cu. in., 16 Knockouts, Welded

4" SQUARE ELECTRICAL BOX Designed to enclose electrical wiring, switches, receptacles, splices, and other compatible connections in residential, commercial, and industrial applications. | 30.3 CU. IN. CAPACITY Deep 2-1/8" profile provides generous interior wiring space for conductors and connections compared with shallower electrical boxes. | 16 VERSATILE KNOCKOUTS Includes ten 1/2" knockouts and six TKO combination knockouts for flexible routing of compatible conduit, cable, fittings, and connectors. | WELDED GALVANIZED STEEL Pre-galvanized steel construction with welded seams provides strength, rigidity, corrosion resistance, and dependable long-term performance. | RAISED GROUND, BOX ONLY Features a raised grounding provision and combination screw heads for installer convenience; electrical box cover is not included.