Attributes . Knockout Size . Values

(2) 1/2, (2) 1/2, (1) 3. (1)   1 in (2)   1-13/32 (1)   1-3/4" (1)   1.09 to 1.14 in (5)   1/2 and 3/4 in (1)   1/2 in (10)   1/2 in (Bottom);1/2 in . (1)   1/2 in (Side);3/4 to 33. (1)   1/2 in, 21/32 in (1)   1/2 in, 3/4 in (24)   1/2" (9)   1/2, 3/4 in (4)   2-15/32 (1)   2.62 " x 1.31 " (6)   20 mm (1)   3/4 (1)