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www.hammondmfg.com
C-Box Screw Cover with Knockouts
NEMA 1
Commercial Enclosures
Application
Construction
Finish
• Designed for general purpose
indoor commercial use as a
junction, pull or switch box.
• Formed and spot welded from 16 or
14 gauge steel depending on size.
• Flat steel covers fastened with
plated steel screws.
• Keyhole slots permit cover to be
lifted off without removing screws
entirely.
• Easily removed knockouts on all 4
sides (see drawings for sizes and
locations).
• Through holes in back for wall
mounting.
• Grounding location embossed in
body.
• Enclosure and cover are finished in
ANSI 61 gray powder coating.
Standards
• UL-50 Type 1
• CSA Type 1
• Complies with:
• NEMA Type 1
• IEC 60529, IP20
Part No.
Junction Boxes
CSKO443
CSKO663
CSKO863
CSKO16143
CSKO18143
CSKO20143
CSKO444
CSKO644
CSKO664
CSKO864
CSKO884
CSKO1084
CSKO10104
CSKO1284
CSKO12104
CSKO12124
CSKO16124
CSKO18124
CSKO18184
CSKO24244
Overall
Dimensions
A
B
C
4
4
3
6
6
3
8
6
3
16
14
3
18
14
3
20
14
3
4
4
4
6
4
4
6
6
4
8
6
4
8
8
4
10
8
4
10
10
4
12
8
4
12
10
4
12
12
4
16
12
4
18
12
4
18
18
4
24
24
4
Mtg. Centers
D
2.25
3.00
5.00
13.00
15.00
17.00
2.25
3.00
3.00
5.00
5.00
7.00
7.00
9.00
9.00
9.00
13.00
15.00
15.00
21.00
E
3.00
5.00
5.00
13.00
13.00
13.00
3.00
3.00
5.00
5.00
7.00
7.00
9.00
7.00
9.00
11.00
11.00
11.00
17.00
23.00
Knockout Pattern Sides
F
0.88
1.50
1.50
1.50
1.50
1.50
0.88
1.50
1.50
1.50
1.50
1.50
1.50
1.50
1.50
1.50
1.50
1.50
1.50
1.50
G
0.50
0.50
0.50
0.50
0.50
0.50
0.50
0.50
0.50
0.50
0.50
0.50
0.50
0.50
0.50
0.50
0.50
0.50
0.50
0.50
B-C
B-C-D
F-G-H-I
B-C-D-E-F-G-H
A-B-C-D-E-F-G-H-I
A-B-C-D-E-F-G-H-I
B-C
B-C-D
B-C-D
F-G-H-I
F-G-H-I
F-G-H-I
F-G-H-I
C-D-E-F-G
C-D-E-F-G
C-D-E-F-G
B-C-D-E-F-G-H
A-B-C-D-E-F-G-H-I
A-B-C-D-E-F-G-H-I
C-D-E-F-G
Knockout Pattern
Top & Bottom
H
0.28
A-B
0.28
B-C-D
0.28
B-C-D
0.28
B-C-D-E-F-G-H
0.28
B-C-D-E-F-G-H
0.28
B-C-D-E-F-G-H
0.28
A-B
0.28
A-B
0.28
B-C-D
0.28
B-C-D
0.28
F-G-H-I
0.28
F-G-H-I
0.28
C-D-E-F-G
0.28
F-G-H-I
0.28
C-D-E-F-G
0.28
C-D-E-F-G
0.28
C-D-E-F-G
0.28
C-D-E-F-G
0.28 A - B - C - D - E - F - G - H - I
0.28
C-D-E-F-G
Ship
Wt. lbs.
2
3
3
12
13
13
2
3
3
5
5
6
6
7
8
9
12
12
16
33
Chart continued on next page....
Technical references and CAD downloads available at www.hammondmfg.com
299
All dimensions in inches unless specified otherwise
Quality Products. Service Excellence.
© Hammond Manufacturing
Canada: 519.822.2960 or 905.456.3770
USA: 716.630.7030
Data Subject to change without notice
www.hammondmfg.com
C-Box Screw Cover with Knockouts
NEMA 1
Commercial Enclosures
Part No.
Mtg. Centers
D
3.00
5.00
7.00
7.00
9.00
9.00
13.00
13.00
15.00
15.00
21.00
21.00
27.00
33.00
9.00
13.00
21.00
17.00
21.00
27.00
33.00
E
5.00
7.00
7.00
9.00
9.00
11.00
11.00
15.00
11.00
17.00
17.00
22.50
22.50
22.50
11.00
15.00
22.50
19.00
22.50
18.50
22.50
Knockout Pattern Sides
F
1.50
1.50
1.50
1.50
1.50
1.50
1.50
1.50
1.50
1.50
1.50
1.50
1.50
1.50
1.50
1.50
1.50
1.50
1.50
1.50
1.50
G
0.50
0.50
0.50
0.50
0.50
0.50
0.50
0.50
0.50
0.50
0.50
0.75
0.75
0.75
0.50
0.50
0.75
0.75
0.50
0.75
0.75
B-C-D
F-G-H-I
F-G-H-I
F-G-H-I
C-D-E-F-G
C-D-E-F-G
B-C-D-E-F-G-H
B-C-D-E-F-G-H
A-B-C-D-E-F-G-H-I
A-B-C-D-E-F-G-H-I
A-B-C-D-E-F-G-H-I
A-B-C-D-E-F-G-H-I
A-B-C-D-E-F-G-H-I
A-B-C-D-E-F-G-H-I
C-D-E-F-G
B-C-D-E-F-G-H
A-B-C-D-E-F-G-H-I
A-B-C-D-E-F-G-H-I
A-B-C-D-E-F-G-H-I
A-B-C-D-E-F-G-H-I
A-B-C-D-E-F-G-H-I
Technical references and CAD downloads available at www.hammondmfg.com
H
0.28
0.28
0.28
0.28
0.28
0.28
0.28
0.28
0.28
0.28
0.28
0.44
0.44
0.44
0.28
0.28
0.44
0.28
0.44
0.44
0.44
Knockout Pattern
Top & Bottom
Ship
Wt. lbs.
B-C-D
F-G-H-I
F-G-H-I
C-D-E-F-G
C-D-E-F-G
C-D-E-F-G
C-D-E-F-G
B-C-D-E-F-G-H
C-D-E-F-G
A-B-C-D-E-F-G-H-I
A-B-C-D-E-F-G-H-I
A-B-C-D-E-F-G-H-I
A-B-C-D-E-F-G-H-I
A-B-C-D-E-F-G-H-I
C-D-E-F-G
B-C-D-E-F-G-H
A-B-C-D-E-F-G-H-I
A-B-C-D-E-F-G-H-I
A-B-C-D-E-F-G-H-I
A-B-C-D-E-F-G-H-I
A-B-C-D-E-F-G-H-I
4
6
7
8
9
10
13
16
14
19
26
37
45
57
12
20
44
37
52
59
75
All dimensions in inches unless specified otherwise
Quality Products. Service Excellence.
© Hammond Manufacturing
Canada: 519.822.2960 or 905.456.3770
Junction Boxes
CSKO666
CSKO886
CSKO1086
CSKO10106
CSKO12106
CSKO12126
CSKO16126
CSKO16166
CSKO18126
CSKO18186
CSKO24186
CSKO24246
CSKO30246
CSKO36246
CSKO12128
CSKO16168
CSKO24248
CSKO202010
CSKO242410
CSKO302010
CSKO362410
Overall
Dimensions
A
B
C
6
6
6
8
8
6
10
8
6
10
10
6
12
10
6
12
12
6
16
12
6
16
16
6
18
12
6
18
18
6
24
18
6
24
24
6
30
24
6
36
24
6
12
12
8
16
16
8
24
24
8
20
20
10
24
24
10
30
20
10
36
24
10
USA: 716.630.7030
Data Subject to change without notice
300