GE POWER/VAC 4.16 - Bus Duct Installation; Primary Cables

INSULATION
MATERIALS
FOR
FIELD
INSTALLATION
—
5
kV
&
15
kV
MEDIUM
VOLTAGE
SWITCHGEAR
ORDERING
INSTRUCTIONS
1
.
ORDER
APPROPRIATE
GROUP
BASED
ON
TOTAL
NUMBER
OF
JOINTS
TO
BE
INSULATED
.
TO
OBTAIN
QUANTITIES
NOT
LISTED
,
ORDER
A
COMPOSITE
OR
MULTIPLE
OF
GROUPS
.
REVISIONS
2
1
i
2
.
REFER
TO
DWG
.
0144
D
2907
SHT
.
1
FOR
TYPICAL
JOINTS
AND
RECOMMENDED
METHODS
OF
INSULATING
.
C
05
o
o
CO
CL
03
*
NOTE
:
THE
GROUPS
LISTED
PROVIDE
TAPING
MATERIALS
FOR
FIELD
INSULATION
OF
BARE
PRIMARY
CONDUCTOR
JOINTS
.
QUANTITIES
SHOWN
ARE
FOR
AVERAGE
JOINTS
BASED
ON
2
"
-
3
"
or
4
"
-
6
"
.
CONDUCTORS
,
SLICES
,
TERMINATIONS
,
ETC
.
D
C
,
1
-
d
®
c
<
0
<
D
<
5
*
"
2
©
>
ir
©
QC
S
>
ch
O
0
)
>
ffl
5
kV
CONDUCTOR
JOINTS
Ec
0
)
4
"
or
6
’
'
WIDE
BARS
*
2
"
or
y
WIDE
BARS
*
CL
-
i
NO
.
OF
JOINTS
MATERIAL
IDENTITY
MATERIAL
6
6
9
12
15
Pt
.
1
2
3
1
2
3
9
12
15
DESCRIPTION
9
10
3
4
5
6
7
13
14
No
.
1
2
8
11
12
Elec
.
Grade
Putty
Tape
W
x
Vh
”
x
5
*
2
NO
.
OF
1
2
3
1
1
1
2
3
0282
A
3529
P
008
1
1
1
4
5
001
H
.
V
.
Insul
.
Tape
.
030
"
x
2
"
x
30
'
ROLLS
2
.
4
6
2
3
6
9
002
1
1
8
10
1
0282
A
3529
P
004
12
15
15
kV
CONDUCTOR
JOINTS
2
"
or
3
"
WIDE
BARS
*
4
”
or
r
*
WIDE
BARS
*
NO
.
OF
JOINTS
MATERIAL
IDENTITY
MATERIAL
DESCRIPTION
2
3
3
6
1
6
9
12
15
1
2
Pt
.
9
12
15
S
8
.
p
»
16
17
22
23
24
25
26
26
15
18
19
20
21
No
.
27
Elec
.
Grade
Putty
Tape
W
'
x
1
Vfr
"
x
5
'
NO
.
OF
2
2
3
1
0282
A
3529
P
008
1
1
1
1
1
1
2
3
4
5
001
H
.
V
.
Insul
.
Tape
.
030
"
x
2
"
x
30
'
6
ROLLS
10
2
4
6
12
0282
A
3529
PQ
04
2
4
8
18
24
30
002
1
1
Fig
.
31
BUS
DUCT
4
Bus
ducts
connecting
between
groups
of
metal
-
clad
switchgear
,
or
between
metal
-
clad
switchgear
and
other
ap
-
paratus
,
should
be
installed
as
shown
on
the
arrangement
drawings
furnished
with
the
ducts
.
Supports
should
be
pro
-
vided
as
indicated
on
the
drawings
.
All
joints
in
the
bus
,
including
adjustable
joints
,
should
be
assembled
and
insulated
as
described
above
for
main
buses
.
Adjustable
joints
are
provided
in
long
runs
of
bus
duct
to
allow
for
variations
in
building
construction
,
etc
.
These
joints
should
be
loosened
before
installation
of
the
duct
,
then
tightened
after
being
set
in
the
position
required
by
the
fixed
points
at
the
ends
of
the
duct
.
Outdoor
bus
ducts
must
be
gasketed
at
the
joints
between
shipping
sections
.
Coat
both
sides
of
the
flat
gasket
and
the
flanges
of
both
duct
sections
with
Sterling
U
310
varnish
be
-
fore
assembly
.
Bolt
the
two
duct
sections
together
.
Remove
the
top
cover
from
one
duct
section
and
place
3
/
8
inch
elas
-
tic
compound
bead
along
top
of
joint
,
slightly
overlapping
the
sides
.
Bolt
top
cover
in
place
and
fasten
roof
cap
in
place
over
the
joint
.
See
Fig
.
32
.
When
top
covers
are
removed
after
installation
for
inspection
,
the
3
/
8
inch
elastic
com
-
pound
bead
must
be
replaced
to
insure
a
tight
seal
.
Removable
front
and
rear
covers
of
vertical
sections
of
bus
duct
must
also
be
gasketed
.
Coat
both
sides
of
the
gasket
,
the
flange
of
the
duct
,
and
the
edges
of
the
inside
surface
of
the
cover
with
Sterling
U
3
I
0
varnish
before
as
-
sembly
.
Do
not
bolt
these
covers
in
place
until
all
interior
assembly
work
on
the
duct
is
completed
and
access
will
no
longer
be
required
.
4
/
*
5
"
>
/
<
D
0
c
*
4
T
OO
<
N
J
L
vC
i
.
iz
<
)
'
i
.
00
6
*
*
,
*
rr
i
*
ew
i
<
N
'
CI
/
00.001
[
o
<
N
<
3
U
-
Fig
.
32
Bus
Duct
Gasket
Outdoor
bus
ducts
of
the
13.8
kV
class
are
provided
with
heaters
.
Connect
these
heaters
in
accordance
with
the
wiring
diagrams
furnished
with
the
equipment
before
energizing
the
bus
duct
.
PRIMARY
CABLES
The
primary
cable
connections
are
reached
by
removing
the
rear
bolted
covers
.
When
circuit
breakers
are
stacked
two
-
high
and
primary
cable
terminations
must
be
made
in
both
upper
and
lower
units
,
the
procedure
described
below
should
be
followed
.
(
Refer
to
Fig
.
33
.
)
t
32
Courtesy of NationalSwitchgear.com