4SQ EXT RING,STL,30.3CU,1/2&3/4-KO

4SQ EXT RING,STL,30.3CU,1/2&3/4-KO Square Box Extension Ring This Steel City square box extension ring is designed to extend electrical boxes, providing additional cubic capacity for wiring and connections. It is suitable for use by electrical distributors and switchgear suppliers requiring reliable and durable wire and cable management solutions. The extension ring is constructed from pre-galvanized steel and features multiple knockouts to accommodate conduit connections, making it ideal for commercial and industrial lighting solutions and electrical installations. Specifications Material: Steel Color: Silver Cubic Capacity: 30.3 cu in Dimensions: 4 Inch Square x 2-1/8 Inch Deep Number of Knockouts: 12 Number of Outlets: 1 Manufacturer: Steel City Manufacturer Part #: 531711234 Standards: UL E2969 Country of Origin: United States Weight: 15.75 lbs Features Pre-galvanized steel construction for corrosion resistance 1/2 inch and 3/4 inch conduit knockouts on all sides for versatile wiring options Provides additional wiring space with 30.3 cubic inches capacity Compatible with standard 4-inch square electrical boxes UL listed for safety and compliance Downloads & Links Spec Sheet Spec Sheet