Steel City 521511/2 4" Square Electrical Box, 21 Cubic Inches, 1-1/2" Deep, 1/2" Knockouts, Pre-Galvanized Steel

Product Description Square Box, 21 Cubic Inches, 4 Inch Square x 1-1/2 Inch Deep, 1/2 Inch Knockouts, Pre-Galvanized Steel, For use with Conduit From the Manufacturer The Steel City 52151-1/2 is a pre-galvanized steel square box with 1/2-Inch conduit knockouts. Is a 4-Inch box that is 1-1/2-Inch deep with an 18-Cubic Inch capacity and is intended for use conduits. On each side of the box there are three 1/2-Inch conduit knockouts while the bottom has five conduit knockouts and both sides have three. The knockouts provide better contact with the conduit fitting and locknut to the box while improving the grounding path. The box protects the device from damage and gives access to the wiring even after the construction is complete. Steel City is the industries leading product line of metallic switch and outlet boxes used in electrical construction. Since 1904, its products have represented the highest quality standards in manufacturing and innovative design, with one of the most complete offerings available.

• 21 Cubic Inches
• 4 Inch Square x 1-1/2 Inch Deep
• 1/2 Inch Knockouts
• Pre-Galvanized Steel
• For use with Conduit