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Low
Voltoge
Switchgeo
r,
GEK-72101
FlG,
8
(8042652)
Bus ComDorfment
Conduits
for
large
cables
should
be near
the rear
of
the
cable compartment
to
provide
space
for
bending
these
cables
as
necessary.
Beside
power cable
connections, some equipments
in-
clude an
enclosed
wiring trough
on the
left
side
(rear view)
of
the cable
compartment,
providing
for
control circuit
connections.
Terminal
boards are provided
in
this
trough
for
making
control wiring
connections
during
installation.
A neutral
bus
is
provided
in
the
cable
compartment
on
switchgear
designed
for four wire
systems.
It
consists of
bars
with
plated
connection
areas,
and is
installed
at
either
a
height
of
about
18
inches
from the floor
or at
about
6
feet.
In
most
equipments
the neutral
bus
is
insulated from
ground.
GROUND
BUS
CAUTION:
IT IS
VERY IMPORTANT
THAT
ESUIPMENT
BE
ADEQUATELY GROUNDED
FOR SAFETY.
FlG.
9
$042651)
Typicol Terminql Arrongement
in
o
4-high
unir
The ground bus
is
bolted
to
the rear
of the
cable com-
partment
near
the bottom.
A 4/0
connector
is
included
on
each
equipment
for
making the
connection
to
the
station
ground.
A
recommended
location
for this
connection
is
shown
on
the
floor plan
drawing.
Where
AKD-6
switchgear
is
shipped
in
more
than
one
package,
the
ground
bus must
be
connected
at
the
ship-
ping
splits.
OUTDOOR
EQUIPMENT
Outdoor
switchgear
is
constructed
as
a
basic
indoor
equipment completely
enclosed
in a
weatherproof
housing
with a walk-in front
aisle,
Figure
10.
Space
heaters
are
provided
in all
outdoor
equipments.
There
is
one
115v.
ac
250
watt
heater located
in
the bus
compartment
of
each
unit.
These heaters
should
be
energized
at all
times
to
reduce condensation
in
the
equipment.
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