Octogonal Boxes Ceiling Fan Box for Electrical Distributor and Lighting Solutions This Octagonal Ceiling Fan Box by Steel City is designed for use with non-metallic sheathed cable, providing a reliable solution for electrical distributors and lighting solutions providers. It features a 15.8 cubic inch capacity with a 4-inch diameter and 1-1/2 inch depth, suitable for ceiling fan and fixture installations. The box includes 1/2 inch knockouts and is constructed from pre-galvanized steel with drawn construction for durability. It comes complete with non-metallic cable clamps (C-5) and an old work bar hanger adjustable from 16 to 24 inches, facilitating easy installation in retrofit applications. Specifications Brand Name: Steel City Material: Steel Color: Silver Cubic Capacity: 15.8 Cubic Inches Size: 4 Inches Diameter x 1/2 Inch Depth Number of Outlets: 1 Construction: Drawn Knockouts: Yes Application: For use with non-metallic sheathed cable Standard: UL E2969 Special Features: Expandable for joists spaced from 16 to 24 inches Features Pre-galvanized steel construction for corrosion resistance Includes non-metallic cable clamps for secure cable management Old work bar hanger with adjustable length from 16 to 24 inches for flexible installation Complies with UL standards for safety and reliability Designed for retrofit installations with easy mounting Downloads & Links Technical Drawing / Spec Sheet US Spec Sheet Instruction Sheet