2-1/8" DEEP, 4" (4O) WELDED OCTAGON STEEL BOX WITH MKO & FB BRACKET

2-1/8" Deep, 4" (4O) Welded Octagon Steel Box with MKO & FB Bracket – Electrical Junction Box Orbit Industries' 4" Octagon (4O) welded deep steel box is designed for the installation of light fixtures and other electrical devices in walls and ceilings. This product is suitable for electrical distributors and lighting solutions providers requiring durable wire and cable management components. Constructed from 16 gauge galvanized steel, the 2-1/8" deep box offers extra space for wiring and device connections. It includes an MKO moon knockout system and an FB bracket for secure mounting on studs or joists, making it compatible with switchgear supplier requirements for fixture support. Specifications Diameter: 4" Depth: 2-1/8" Cubic Inches: 21.5 Material: 16 gauge galvanized steel Weight: 20.64 lbs Knockouts: 1/2" K.O., 3/4" K.O., MKO Moon K.O. (1/2" and 3/4") Bracket: FB offset bracket (L: 7-1/4", W: 3/4") mounts on flat side of stud or joist Manufacturing Process: Welded Certification: UL file E227970, conforms to UL514A Features Welded construction for enhanced durability and fixture support Extra depth provides increased wiring capacity for electrical installations FB bracket allows for direct mounting on studs or joists with offset positioning MKO moon knockouts facilitate versatile conduit entry options Suitable for fixture and luminaire support up to 50 lbs Complies with UL and RoHS standards Downloads & Links Spec Sheet Spec Sheet