Cut Sheet
CONFIGURATION DATA
s
Catalog No.
Depth
Knockouts
Cu.In.
Std.
Pkg.
Sides 1,3,5,7
Sides 2,4,6,8
2CB
2”
(1)-1/2"
(1)-3/4"
24.4
25
25CB
2-1/2”
(1)-1/2"
(1)-3/4"
30.5
25
3CB
3”
(1)-1/2"
(1)-3/4"
37.0
25
3CB-75/100
3”
(1)-3/4”
(1)-1”
37.0
25
35CB
3-1/2”
(2)-1/2"
(2)-3/4"
43.0
25
35CB-75/100
3-1/2”
(1)-3/4”
(1)-1”
43.0
25
4CB
4”
(2)-1/2"
(2)-3/4"
49.2
25
4CB-75/100
4”
(2)-3/4”
(2)-1”
49.2
25
4CB-F*
4”
Side 1, 5: (1)-1/2"
Side 3, 7: (2)-1/2"
Side 2, 6: (1)-3/4”
Side 4, 8: (2)-3/4”
49.2
25
5CB
5”
(2)-1/2"
(2)-3/4"
61.7
10
6CB
6”
(2)-1/2"
(2)-3/4"
73.5
10
4" OCTAGONAL CONCRETE
BOXES
DESCRIPTION:
Orbit Industries' 4" Octagonal Concrete Boxes are used for
concrete constructions. The 1/2", 3/4", 1” side knockouts
and mounting tabs allow for easy installation. They are
constructed from 16 gauge galvanized steel. Orbit
Industries' selection includes concrete rings with depths
ranging from 2" to 6".
CERTIFICATION:
UL file E227970, conforms to UL514A. acceptable for use
in 2-hour fire rated walls.
FEATURES
Knockout:
50: 1/2” K.O.
75: 3/4” K.O.
100: 1” K.O.
SPECIFICATION & FEATURES
DIMENSIONS
Diameter: 4”
Other Dimensions see below
2 CB
2 5CB
3 CB
3 5CB
4 CB
5 CB
6 CB
3 CB-75/100
3 5CB-75/100
4 CB-F
4 CB-75/100
*Fan Rated

