Thomas & Betts 521511/23/4 Steel City Outlet Box

Steel City Outlet Box, 1 Outlets, 17 Knockouts, 1/2 in, 3/4 in Knockout, Squared, Ceiling Mount, 21 cu-in, Steel, Pre-Galvanized, Silver, 4 in H x 4 in W x 1-1/2 in D

Additional Description: TB -521511/23/4 (N) 4IN.SQ BX,STL,21CU,1/2&3/4KO NON-CANCELABLE, NON-RETURNABLE

Catalog Description: Square Box, 21 Cubic Inches, 4 Inch Square x 1-1/2 Inch Deep, 1/2 Inch and 3/4 Inch Knockouts, Pre-Galvanized Steel, For use with Conduit