Installation on a User-Furnished Structure
Mounting the Control Cabinet
Step 11
Drill four
M\zn
-inch diameter holes in the struc-
ture where the control cabinet will be mounted.
Refer to the catalog drawing for appropriate
locations for the holes. Make sure the mount-
ing height allows for convenient access to the
enclosure. See Figure 12.
Mounting structure
Figure 12. Drill four holes in the structure where the control cabinet will
be mounted.
Step 12
Align the control cabinet tabs with the
mounting holes in the structure. Then bolt
all four tabs to the mounting structure, using
user-furnished
C\,
-inch hardware. See Figure 13.
Figure 13. Bolt the tabs of the control cabinet to the mounting structure.
Mounting structure
Top mounting tabs
Tabs
Step 13
Ground the control cabinet by solidly con-
necting one Number 6 AWG wire (or wires of
equivalent cross-sectional area) to the flange at
the bottom rear of the enclosure. See Figure 14.
Solidly connect the enclosure ground wire to
the switch ground wire(s).
Figure 14. Ground the control cabinet by solidly connecting one Number
6 AWG wire (or wires of equivalent cross-sectional area) to the flange at
the bottom rear of the enclosure.
Flange
Base of control
cabinet
Holes
12
S&C Instruction Sheet 731-502
