1-1/2" DEEP, 4" SQUARE (4S) BOX WELDED WITH NM CLAMPS & WB BRACKET

1-1/2" Deep, 4" Square (4S) Box Welded with NM Clamps & WB Bracket – Electrical Junction Box Orbit Industries' 1-1/2" Deep, 4" Square (4S) Welded Boxes are designed for installing lighting fixtures, switches, and receptacles in ceilings and walls. Constructed from 16 gauge galvanized steel, these boxes include non-metallic sheathed cable clamps for secure wiring. The WB bracket version features positioning spurs for mounting on the side of metal studs, making it suitable for electrical distributors and switchgear suppliers requiring reliable wire and cable management solutions. Specifications Dimensions: 4” Width x 4” Height x 1-1/2” Depth Cubic Inches: 21.0 Material: 16 gauge galvanized steel Knockouts: (2) 1/2" Moon Knockouts, (1) MKO, (4) Loom Pryouts on sides and bottom Clamp Type: Non-Metallic (NM) cable clamps accommodating #14-2 to #10-3 cables with ground Weight: 19.63 lbs Manufacturer Part Number: 4SB-NM-WB Certification: UL file E227970, conforms to UL514A, suitable for 2-hour fire rated walls Features Welded construction for durability and secure installation WB bracket with positioning spurs for flush mounting on the side of metal studs Non-metallic sheathed cable clamps simplify cable management and grounding Multiple knockouts including moon and loom types for versatile wiring entry UL and RoHS certified, meeting industry safety and environmental standards Downloads & Links Spec Sheet Spec Sheet