GENERAL DESCRIPTION Page 23
the main bus compartment and is used to
provide a common ground point between
cubicles. Vertical ground riser bars extend
from the common ground bus into each
medium voltage controller compartment.
Access to the main bus compartment can be
obtained either by removing the enclosure back
sheet or by swinging open the hinged low
voltage
bpanel.
Hazardous Voltage. Turn
off and lock out all
control and primary
power before accessing
this compartment.
Bus splice links (Fig. 28) are furnished for
joining the main bus and ground bus between
shipping sections. With the low voltage
swung open, all splice links can be
installed from the front of the unit. Refer to
Installation Section for details.
PREPARED SPACES
Prepared spaces are compartments equipped
for future addition of controllers. Prepared
spaces are supplied with the following
components:
Isolation Switch
Service Drawer
Load Receptacle
In order to convert a prepared space to a
functional controller, the following must be
added:
Fig. 28 Bus Splice Links
contactor carriage
Handle mechanism for switch
Current transformers
Control power transformer
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