Specification

31
Type 1 (Indoor)
30 Amp Heavy Duty Non-Fusible
60 Amp Compact Heavy Duty Non-Fusible
60 Amp General Duty Non-Fusible
30 Amp Heavy Duty Fusible
60 Amp General Duty Fusible
1.71
43[]
6.52
166[]
1.35
34[]
DIA.27
7[]
901
7.67
195[]
4.34
110[]
1.04
26[]
.94
24[]
9.12
232[]
.95
24[]
1.50
38[]
1.50
38[]
.68
17[]
SEE DETAIL
C
A (4)
OF BOX
B
9.01
229[]
5.71
145[]
.91
23[]
6.64
169[]
1.51
38[]
1.80
46[]
1.80
46[]
.25
6[]
[] []
.25 DIA GROUND KNOCKOUT
TOP & BOTTOM
B (3)
TOP & BOTTOM
DIA.27
7[]
.75
19[]
.65
16[]
.28
7[]
DETAIL
C
.91
23[]
1.46
37[]
B
LEFT SIDE
1.47
37[]
.32
8[]
10.17
258[]
.92
23[]
.91
23[]
5.05
128[]
8.25
210[]
8.35
212[]
1
2.31
313
[
]
11.11
282[]
1.45
37[]
B LEFT &
RIGHT SIDE
1.35
34[]
1.04
26[]
4.34
110[]
4.84
123[]
8.25
209[]
10.17
258[]
3.21
82[]
2.42
62[]
4.07
103[]
.82
21[]
.79
20[]
5.05
128[]
1.46
37[]
1.46
37[]
14.26
362[]
.91
23[]
7.67
195[]
15.45
393[]
1.90
48[]
12.40
315[]
.94
24[]
8.35
212[]
.32
8[]
1.88
48[]
10.11
257[]
SEE DETAIL C
OF BOX
A (4)
.27 DIA (3)
[7]
B (2)
LEFT &
RIGHT SIDE
.91
23[]
1.51
38[]
1.80
46[]
1.80
46[]
9.01
229[]
6.64
169[]
.25
6[]
5.95
151[]
B (3)
TOP & BOTTOM
.25 DIA GROUND KNOCKOUT
TOP & BOTTOM
DIA.27
7[]
.75
19[]
.65
16[]
.28
7[]
DETAIL C
Figure 3
Figure 4
KNOCKOUT CONDUIT
CODE SIZE
A (Concentric)
.50 .75
B (Tangential) .50 .75 1.00
Dimensions shown in inches and millimeters [ ].
Dimensions shown accurate to
+
1/8 inch.
➀ Dimensions shown apply to heavy duty switches only.
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