Hubbell Electrical Products Square Box - Steel 249

WELDED TYPE 0.0625 INCH PRE-GALVANIZED STEEL MATERIAL 4 INCH 4 INCH 2-1/8 INCH UL 514A, CSA C22.2 APPROVAL B BRACKET FLUSH, CEILING/WALL MOUNTING 25 STANDARD PACKAGE 30.3 CU INCH CAPACITY (1) 1/2 INCH CONDUIT BOTTOM, (4) CABLE SIDES, (4) 1/2 INCH CONDUIT SIDES, (2) (1/2 INCH - 3/4 INCH) CONDUIT THREADED KNOCKOUT SIDES KNOCKOUT SIZE 10 KNOCKOUT(S) (1) BOTTOM, (9) SIDES KNOCKOUT LOCATION ARMORED/METAL CLAD/FLEX CABLE CLAMP TYPE RACO[R], BOX-LOC[R] BRAND APPLICABLE STANDARD ANSI, NEMA OS1 APPLICATION INSTALLED IN WALLS OR CEILINGS FOR LIGHTING FIXTURES, SWITCHES OR RECEPTACLES