-
53151 3/4 4" x 1-1/2" x 4", 8-Knockout, 21 Cu Inch, Silver, Pre-Galvanized Steel, Square Box Extension Ring$2.72 / EAprice:2.720000 final price:2.72Availability: Currently out of stockQuickview
Loading ...
Load More ...
Filter
Now Shopping by
Shopping Options - Knockout Size (4) 3/4 Inch Conduit Sides, (4) 3/4 Inch Conduit Ends Remove This Item
Approval
Capacity
Depth
Knockout Size
- (1) 1/2 Inch Bottom, (4) 1/2 Inch Side, (2) (1/2 Inch to 3/4 Inch) Eccentric Knockout Side, (4) Cable End 3 items
- (1) 1/2 Inch Bottom, (4) 1/2 Inch Side, (2) 1/2 Inch End, (4) 21/32 Inch End 1 item
- (1) 1/2 Inch Bottom, (4) 1/2 Inch Side, (4) Cable End, (2) 1/2 Inch End 1 item
- (1) 1/2 Inch Bottom, (4) Cable End, (2) 1/2 Inch End 1 item
- (1) 1/2 Inch Bottom, (6) 1/2 Inch Side, (4) Cable End 1 item
- (1) 1/2 Inch Conduit Bottom, (1) Conduit Bottom, (3) (1/2 Inch - 3/4 Inch) Conduit Threaded Knockout Bottom, (9) (1/2 Inch - 3/4 Inch) Conduit Threaded Knockout Sides 1 item
- (1) 1/2 Inch Conduit Bottom, (2) 1/2 Inch Conduit Sides, (2) 1/2 Inch Conduit Cable Ends 1 item
- (1) 1/2 Inch Conduit Bottom, (2) 1/2 Inch Conduit Sides, (2) 1/2 Inch Conduit Ends 1 item
- (1) 1/2 Inch Conduit Bottom, (2) 1/2 Inch Conduit Sides, (4) 1/2 Inch Conduit Cable Ends 1 item
- (1) 1/2 Inch Conduit Bottom, (2) 1/2 Inch Conduit Sides, (4) Cable Ends 4 items
- (1) 1/2 Inch Conduit Bottom, (2) Cable Bottom, (2) 1/2 Inch Conduit Ends 3 items
- (1) 1/2 Inch Conduit Bottom, (2) Cable Bottom, (2) 1/2 Inch Conduit Sides 4 items
- (1) 1/2 Inch Conduit Bottom, (2) Cable Bottom, (2) 1/2 Inch Conduit Sides, (2) 1/2 Inch Conduit Ends 3 items
- (1) 1/2 Inch Conduit Bottom, (2) Cable Bottom, (4) 1/2 Inch Conduit Sides, (2) 1/2 Inch Conduit Ends 4 items
- (1) 1/2 Inch Conduit Bottom, (2) Cable Bottom, (4) Cable Ends 1 item
- (1) 1/2 Inch Conduit Bottom, (4) 1/2 Inch Conduit Side, (2) (1/2 to 3/4 Inch) Conduit Eccentric Side, (4) 1/2 Inch Conduit End 1 item
- (1) 1/2 Inch Conduit Bottom, (4) 1/2 Inch Conduit Side, (2) (1/2 to 3/4 Inch) Conduit Eccentric Side, (4) Cable End 2 items
- (1) 1/2 Inch Conduit Bottom, (4) 1/2 Inch Conduit Side, (2) (1/2 to 3/4 Inch) Conduit Side, (4) Cable End 1 item
- (1) 1/2 Inch Conduit Bottom, (4) 1/2 Inch Conduit Sides, (4) 1/2 Inch Conduit Ends 2 items
- (1) 1/2 Inch Conduit Bottom, (4) 1/2 Inch Conduit Sides, (4) Cable Ends, (2) 1/2 Inch Conduit Ends 1 item
- (1) 1/2 Inch Conduit Bottom, (4) 3/4 Inch Conduit Sides, (4) 3/4 Inch Conduit Ends 1 item
- (1) 1/2 Inch Conduit Bottom, (4) Conduit Cable 1 item
- (1/2 Inch - 3/4 Inch) Conduit Eccentric 4 items
- (1/2 to 3/4 Inch) Double Row 1 item
- (12) 1/2 Inch Conduit Side, (4) 1/2 Inch Conduit Bottom 1 item
- (12) 1/2 Inch Conduit Sides 1 item
- (2) 1/2 Inch Bottom (2) (1/2 Inch-3/4 Inch) Eccentric Bottom, (8) 1 Inch Side 1 item
- (2) 1/2 Inch Conduit Bottom, (2) 1/2 Inch Conduit Sides, (2) 1/2 Inch Conduit Ends 2 items
- (2) 1/2 Inch Conduit Bottom, (6) 1/2 Inch Conduit Sides, (2) 1/2 Inch Conduit Ends 3 items
- (2) 1/2 Inch Conduit Side, (2) 1/2 Inch Conduit End 1 item
- (2) 1/2 Inch Conduit Side, (2) 3/4 Inch Conduit Side 1 item
- (2) 1/2 Inch Conduit Sides,(4) Conduit Cable Ends 1 item
- (2) 1/2 Inch Side, (2) 1/2 Inch End, (2) 1/2 Inch Bottom 1 item
- (2) 1/2 Inch, (2) 3/4 Inch Bottom, (10) 3/4 Inch Side 1 item
- (2) 1/2 Inch, (2) 3/4 Inch Bottom, (8) 1 Inch Sides 1 item
- (2) 3/4 Inch Conduit Bottom, (4) 3/4 Inch Conduit Sides, (2) 3/4 Inch Conduit Ends 1 item
- (3) 1/2 Inch Bottom One End, (2) 3/4 Inch Bottom Opposite End, (8) 1/2 Inch Side, (4) 3/4 Inch Side 1 item
- (3) 1/2 Inch Bottom One Ends, (2) 3/4 Inch Bottom Opposite Ends, (8) 1/2 Inch Conduit Sides 1 item
- (3) 1/2 Inch Bottom, (2) (1/2 to 3/4 Inch) Eccentric Bottom, (4) 1/2 Inch Side, (2) (1/2 to 3/4 Inch) Eccentric Side, (4) 1/2 Inch End, (2) (1/2 to 3/4 Inch) Eccentric End 1 item
- (3) 1/2 Inch Conduit Bottom, (2) (1/2 to 3/4 Inch) Cable Eccentric Bottom, (4) 1/2 Inch Conduit Side, (2) (1/2 to 3/4 Inch) Conduit Eccentric Side, (4) 1/2 Inch Conduit End, (2) (1/2 to 3/4 Inch) Conduit Eccentric End 1 item
- (3) 1/2 Inch Conduit Bottom, (2) (1/2 to 3/4 Inch) Conduit Eccentric Bottom, (4) 1/2 Inch Conduit Side, (2) (1/2 to 3/4 Inch) Conduit Eccentric Side, (4) 1/2 Inch Cable End, (2) (1/2 to 3/4 Inch) Cable Eccentric End 2 items
- (3) 1/2 Inch Conduit Bottom, (2) (1/2 to 3/4 Inch) Conduit Eccentric Bottom, (4) 1/2 Inch Conduit Side, (2) (1/2 to 3/4 Inch) Conduit Eccentric Side, (4) 1/2 Inch Conduit End, (2) (1/2 to 3/4 Inch) Conduit Eccentric End 3 items
- (3) 1/2 Inch Conduit Bottom, (2) (1/2 to 3/4 Inch) Conduit Eccentric Bottom, (6) (1/2 to 3/4 Inch) Conduit Eccentric Side, (4) 1/2 Inch Conduit End, (2) (1/2 to 3/4 Inch) Conduit Eccentric End 1 item
- (3) 1/2 Inch Conduit Bottom, (2) (1/2 to 3/4 Inch) Conduit Eccentric Bottom, (6) (1/2 to 3/4 Inch) Conduit Eccentric Side, (6) (1/2 to 3/4 Inch) Conduit Eccentric End 1 item
- (3) 1/2 Inch Conduit Bottom, (2) 3/4 Inch Conduit Bottom, (2) 1 Inch Conduit Sides, (2) 1 Inch Conduit Ends 1 item
- (3) 1/2 Inch Conduit Bottom, (2) 3/4 Inch Conduit Bottom, (2) 1/2 Inch Conduit Side, (1) 3/4 Inch Conduit Side, (4) 1/2 Inch Conduit End, (2) 3/4 Inch Conduit End 1 item
- (3) 1/2 Inch Conduit Bottom, (2) 3/4 Inch Conduit Bottom, (2) 3/4 Inch Conduit Side, (2) 1 Inch Conduit Side, (2) 3/4 Inch Conduit End, (2) 1 Inch Conduit End 1 item
- (3) 1/2 Inch Conduit Bottom, (2) 3/4 Inch Conduit Bottom, (2) 3/4 Inch Conduit Sides, (2) 3/4 Inch Conduit Ends 3 items
- (3) 1/2 Inch Conduit Bottom, (2) 3/4 Inch Conduit Bottom, (4) 1 1/4 Inch Conduit Side, (2) 1 1/4 Inch Conduit End 1 item
- (3) 1/2 Inch Conduit Bottom, (2) 3/4 Inch Conduit Bottom, (4) 1 Inch Conduit Side, (4) 1 Inch Cable End 1 item
- (3) 1/2 Inch Conduit Bottom, (2) 3/4 Inch Conduit Bottom, (4) 1 Inch Conduit Side, (4) 1 Inch Conduit End 1 item
- (3) 1/2 Inch Conduit Bottom, (2) 3/4 Inch Conduit Bottom, (4) 1/2 Inch Conduit Side, (2) 3/4 Inch Conduit Side, (4) 1/2 Inch Conduit End, (2) 3/4 Inch Conduit End 2 items
- (3) 1/2 Inch Conduit Bottom, (2) 3/4 Inch Conduit Bottom, (4) 3/4 Inch Conduit Side, (4) 3/4 Inch Cable End 1 item
- (3) 1/2 Inch Conduit Bottom, (2) 3/4 Inch Conduit Bottom, (4) 3/4 Inch Conduit Side, (4) 3/4 Inch Conduit End 1 item
- (3) 1/2 Inch Conduit Bottom, (6) 1/2 Inch Conduit Sides, (2) 1/2 Inch Conduit Ends 1 item
- (3) 1/2 Inch, (2) 3/4 Inch 1 item
- (4) 1/2 Inch Conduit Bottom 1 item
- (4) 1/2 Inch Conduit Bottom, (2) (1/2 to 3/4 Inch) Conduit Eccentric Bottom, (6) (1/2 to 3/4 Inch) Conduit Eccentric Side, (4) (1/2 to 3/4 Inch) Conduit Eccentric End 1 item
- (4) 1/2 Inch Conduit Sides, (2) (1/2 Inch - 3/4 Inch) Eccentric Conduit Sides, (4) 1/2 Inch Conduit Ends, (2) 3/4 Inch Conduit Ends 1 item
- (4) 1/2 Inch Conduit Sides, (2) (1/2 Inch - 3/4 Inch)Eccentric Conduit Sides, (4) 1/2 Inch Conduit Ends 1 item
- (4) 1/2 Inch Conduit Sides, (2) 3/4 Inch Conduit Sides, (4) 1/2 Inch Conduit Ends, (2) 3/4 Inch Conduit Ends 2 items
- (4) 3/4 Inch Conduit Sides, (4) 3/4 Inch Conduit Ends 1 item
- (5) 1/2 Inch Conduit Bottom, (12) 1/2 Inch Conduit Sides 1 item
- (5) 1/2 Inch Conduit Bottom, (2) 1/2 Inch Conduit Sides, (2) 1/2 Inch Conduit Ends 1 item
- (5) 1/2 Inch Conduit Bottom, (2) 1/2 Inch Conduit Sides, (2) 3/4 Inch Conduit Ends 1 item
- (5) 1/2 Inch Conduit Bottom, (4) 1/2 Inch Conduit Sides 1 item
- (5) 1/2 Inch Conduit Bottom, (6) 1/2 Inch Conduit Side, (6) 1/2 Inch Conduit End 1 item
- (6) 1/2 Inch Bottom, (4) 3/4 Inch Bottom, (8) 1/2 Inch Sides, (4) 3/4 Inch Sides, (4) 1/2 Inch Ends 1 item
- (6) 1/2 Inch Conduit Bottom, (4) 3/4 Inch Conduit Bottom, (4) 3/4 Inch Conduit Sides, (4) 1 Inch Conduit Sides, (2) 3/4 Inch Conduit Ends, (2) 1 Inch Conduit Ends 1 item
- (6) 1/2 Inch Conduit Bottom, (4) 3/4 Inch Conduit Bottom, (6) 1/2 Inch Conduit Sides, (4) 3/4 Inch Conduit Sides, (2) 1/2 Inch Conduit Ends, (2) 3/4 Inch Conduit Ends 1 item
- (6) 1/2 Inch Conduit Bottom, (4) 3/4 Inch Conduit Bottom, (6) 1/2 Inch Conduit Sides, (6) 3/4 Inch Conduit Sides, (2) 1/2 Inch Conduit Ends, (2) 3/4 Inch Conduit Ends 1 item
- (6) 1/2 Inch Conduit Bottom, (4) 3/4 Inch Conduit Bottom, (8) 3/4 Inch Conduit Sides, (2) 1 Inch Conduit Sides, (2) 3/4 Inch Conduit Ends, (2) 1 Inch Conduit Ends 1 item
- (6) 1/2 Inch Conduit Side, (2) 1/2 Inch Conduit End 1 item
- (6) 1/2 Inch Conduit Sides, (6) 1/2 Inch Conduit Ends 1 item
- (8) 1/2 Inch Conduit Sides, (4) 1/2 Inch Conduit Ends 1 item
- (8) 1/2 Inch, (4) 3/4 Inch Side, (2) 1/2 Inch, (2) 3/4 Inch Bottom 1 item
- 3/4 Inch Conduit Eccentric Side 1 item
Material
Number of Knockouts
Standard Package
My Wish List