Octogonal Boxes - Electrical Conduit Boxes The Steel City Octogonal Boxes are designed for use with conduit in electrical installations, suitable for wiring and cable management in commercial and industrial applications. These boxes provide a durable and reliable solution for electrical distributors and lighting solutions requiring secure and code-compliant wire and cable enclosures. They are ideal for switchgear suppliers and contractors needing standardized electrical boxes for conduit systems. Specifications Material: Steel Color: Silver Construction: Drawn Cubic Capacity: 15.8 cu in Depth: 38.1 millimeters (1-1/2 inches) Number of Outlets: 1 Diameter: 4 inches Knockouts: 1/2 inch Product Weight: 15.0000 (unit not specified) Box Quantity: 30 Manufacturer: Steel City Manufacturer Part Number: 541511/2-30 Application: For use with conduit Features Pre-galvanized steel construction ensures corrosion resistance and durability Drawn construction provides strength and uniformity Standard 4-inch diameter with 1/2 inch knockouts for easy conduit connection Packaged in quantities of 30 for efficient bulk purchasing Complies with electrical codes for conduit box applications Downloads & Links Technical Drawing / Data Sheet Canada Technical Drawing / Data Sheet US Spec Sheet