Hubbell Electrical Products Square Box - Steel 189M

WELDED TYPE 0.0625 INCH PRE-GALVANIZED STEEL MATERIAL 4 INCH 4 INCH 1-1/2 INCH UL 514A, CSA C22.2 APPROVAL HM BRACKET, CEILING/WALL MOUNTING 20 STANDARD PACKAGE 21 CU INCH CAPACITY (2) 1/2 INCH CONDUIT BOTTOM, (1) CONDUIT BOTTOM, (2) (1/2 INCH - 3/4 INCH) CONDUIT THREADED KNOCKOUT BOTTOM, (4) 1/2 INCH CONDUIT SIDES, (2) (1/2 INCH - 3/4 INCH) CONDUIT THREADED KNOCKOUT SIDES KNOCKOUT SIZE 11 KNOCKOUT(S) (5) BOTTOM, (6) SIDES KNOCKOUT LOCATION APPLICABLE STANDARD ANSI, NEMA OS1