Product Description
Knockout Size (1) Combination 3/4 Inch to 1 Inch (Back), (1) Combination 1/2 Inch to 3/4 Inch (Left), (1) Combination 1/2 Inch to 3/4 Inch (Right), and (2) Combination 3/4 Inch to 1 Inch (Bottom)
NEMA 3R
Knockout Size (1) Combination 3/4 Inch to 1 Inch (Back), (1) Combination 1/2 Inch to 3/4 Inch (Left), (1) Combination 1/2 Inch to 3/4 Inch (Right), and (2) Combination 3/4 Inch to 1 Inch (Bottom)
NEMA 3R