Product Description

SQUARE BOX EXTENSION RING TYPE; STEEL MATERIAL; 4 INCH; 4 INCH; 1-1/2 INCH; UL APPROVAL; 50 STANDARD PACKAGE; 21 CU INCH CAPACITY; (8) 1/2 INCH CONDUIT SIDE, (4) (1/2 INCH-3/4 INCH) ECCENTRIC CONDUIT SIDE KNOCKOUT SIZE; 12 KNOCKOUT(S); USED ON SWITCH AND MASONRY BOX