Miller JK000000 is a versatile distribution panel designed to connect a group of grids to a welding power distribution system. It features eight 4/0 female Camlock receptacles for connecting individual grids and two 500 MCM male Camlock receptacles for connecting multi-grid racks. The panel is easy to install and can be mounted in a desired location using holes in the unit and customer-supplied mounting hardware. It also has a single or dual polarity installation option, allowing for flexible use in various welding applications.
OWNERS
MANUAL
For
Distribution
Panel
8
&
10
February
1989
FORM:
126
332
Use
above
FORM
number
when
ordering
extra
manuals.
FILE
COPY
RET~N
TO
R.~L~ER
SECTION
1
-
INTRODUCTION
1-1.
GENERAL
INFORMATION
AND
SAFETY
A.
General
Information
presented
in
this
manual and
on
various
labels,
tags,
and
plates
on
the
unit
pertain
to
equipment
design,
installation,
operation,
maintenance,
and
troubleshooting
which
should
be
read,
understood,
and
foUowed
for
the
safe
and
effective
use
of
this
equipment.
B.
Safety
The
installation,
operation,
maintenance,
and
troubleshooting
of
arc
welding
equipment
requires
practices
and
procedures
which
ensure
personal
safety
and
the
safety
of
others.
Therefore,
this
equipment
is
to
be
installed,
operated,
and
maintained
only
by
qualified
persons
in
accordance
with
this
manual
and
all
applicable
codes
such
as,
but
not
limited
to.
those
listed
at
the
end
of
Section
1
-
Safety
Rules
For
Operation
Of
Arc
Welding
Power
Source
in
the
Welding
Power
Source
Owners
Manual.
Safety
instructions
specifically
pertaining
to
this unit
appear
throughout
this
manual
highlighted
by
the
signal
word
WARNING
which
identifies
the
level
of
hazard.
WARNING
statements
include
installation,
operation,
and
maintenance
procedures
or
practices
which
if
not
carefully
followed
could
result
in
serious
personal
injury
or
loss
of
life.
1-2.
RECEIVING-HANDLING
Before
unpacking
equipment,
check
carton
for
any
damage
that
may
have
occurred
during
shipment.
File
any
claims
for
loss
or
damage
with
the
delivering
carrier.
Assistance
for
filing
or
settling
claims
may
be
obtained
from
the
distributor
and/or
the
equipment
manufacturers
Transportation
Department.
When
requesting
information
about
this
equipment,
always
provide
Model
Description
and
Serial
Number.
1-3.
DESCRIPTION
Distribution
panels
are
used
to
connect
a
group
of
grids
and
grid
racks
to
a
welding
power
distribution
system
(or
loop).
Distribution
Panel
8
is
equipped
with
eight
4/0
female
Camlock
receptacles
for
connecting
up
to
eight
individual
grids.
Distribution
Panel
10
is
equipped
with
eight
4/0
female
Camlock
receptacles
for
individual
grid
connections
plus
two
500
MCM
male
Camlock
receptacles
for
connecting
two
multi-grid
racks.
SECTION
2-
INSTALLATION
WARNING:
ELECTRIC
SHOCK
OR
IN
CORRECT
CONNECTIONS
can
kill.
Always
consult
the
local
electric
utility,
local,
and
state
codes,
and
the
latest
is
sue
of
the
National
Electrical
Code
for
proper
installation
procedures.
Since
hazardous
voltages
are
present,
it
is
recommended
that
a
licensed
elec
trician
perform
the
installation
to
avoid
injury
or
damage
caused
by
improper
or
faulty
installation.
2-1.
INSTALLATION
A~
WARNING:
ELECTRIC
SHOCK
can
kill.
Do
not
touch
live
electrical
parts.
Shut
down
welding
power
source,
and
disconnect
input
power
employing
lockout/tagging
procedures
before
in
specting
or
installing.
Disconnectandlockoutinputpowerbe
fore
installing
distribution
panel.
Lockout/tagging
procedures
consist
of
padlocking
line
disconnect
switch
in
open
position,
removing
fuses
from
fuse
box,
or
shutting
off
and
red-tagging
circuit
breaker
or
other
disconnecting
device.
Shut
down
welding
power
source
and
disconnect
line
power.
2.
Mount
distribution
panel
in
desired
location
using
mounting
holes
in
unit
and
1/4
in.
(6.4
mm)
customer
supplied
hardware.
a
3.
Remove
access
cover
(see
Figure
2-1).
NOTE:
Straight
polarity
used
for
purpose
of
illustra
tion
only.
500
MCM
Male
Camlock
Receptacles
4/0
Female
Camlock
Receptacles
TC-045
202-B
Ref.
TA-045
203-8
*
Distribution
Panel
10
Only.
Figure
2-1.
Distribution
Panel
Figure
2-2.
Single
Polarity
Distribution
Panel
10
126
337
P~c~
~
2-2.
SINGLE
POLARITY
INSTALLATION
OF
DISTRIBUTION
PANEL
(FIgure
2-1
And
FIgure
2-2)
1.
Remove
one
of
the
plugs
from
the
access
holes
in
top
of
distribution
panel,
and
install
supplied
snap
bushing
or
desired
strain
relief,
conduit
fitting,
or
other
similar
device.
2.
Strip
end
of
input
cable,
and
route
cable
through
access
hole.
Insert
cable
into
lug,
and
tighten
setscrew.
3.
Connect
paralleling
bar
across
the
front
of
bus
bars
using
existing
hardware
as
illustrated
in
Figure
2-1.
4.
Reinstall
access
cover.
Tighten
input
cable
strain
relief,
if
applicable.
5.
Affix
appropriate
labels
on
connection
panel
as
illustrated
in
Figure
2-2
to
match
the
polarity
of
the
input
cable.
6.
Make
output
connections
from
distribution
panel
to
grids
and
grid
racks,
if
applicable
(see
Figure
2-2).
2-3.
DUAL
POLARITY
INSTALLATION
OF
DISTRIBUTION
PANEL
(FIgure
2-1
And
Figure
2..3)
1.
Remove
the
plugs
from
the
access
holes
in
top
of
distribution
panel,
and
install
supplied
snap
bushing
or
desired
strain
reliefs,
conduit
fittings,
or
other
similar
devices.
2.
Strip
the
ends
of
the
Positive
and
Negative
input
cables,
and
route
through
the
appropriate
access
holes.
Insert
each
cable
into
the
appropriate
lug,
and
tighten
setscrews.
3.
Reinstall
access
cover.
Tighten
input
cable
strain
relief,
if
applicable.
4.
Affix
POSITIVE
and
NEGATIVE
labels
on
connection
panel
as
illustrated
in
Figure
2-3
to
match
the
polarity
of
the
input
cables.
5.
Make
output
connections
from
distribution
panel
to
grids
and
grid
racks,
if
applicable
(see
Figure
2.3).
To
Distribution
System
(Positive)
o
Distribution
System
(Negative)
250.500
MCM
Cable
NOTE:
Straight
polarity
used
for
purpose
of
illustra
tion
only.
Figure
2-3.
Dual
Polarity
Distribution
Panel
10
TA~O45
2O3~B
I
26
332
Paqe
3
SECTION
3-
PARTS
LIST
Figure
3-1.
Complete
Assembly
BE
SURE
TO
PROVIDE
MODEL
AND
SERIAL
NUMBER
WHEN
ORDERING
REPLACEMENT
PARTS.
Quantity
Model
No.
Part
No.
Item
Description
8
041
5
Oijtlet
I
10
55
041
556
FIgure
3-1
1
2
3
4
5
6
7
8
9
10
11
12
13
13
14
Complete
Assembly
045
592
COVER,
access
-
terminals
046
771
RECEPTACLE,
twistlock
-
male
601
840
NUT,
hex
-jam
1/2-13
127014
BUS
BAR
038
900
STUD,
1/2-13
x
2-1/4
046832
LUG
049378
BLANK,snap-in2
inch
045
593
DISTRIBUTION
BOX
(consisting
of)
047194
LATCH
123154
LABEL
601
838
NUT,
hex
-
jam
3/8-16
010
907
NUT,
locking
1
inch
045
594
PANEL,
mtg
-
components
045
588
PANEL,
mtg
-
components
039
638
RECEPTACLE,
twistlock
-
insulated
127313
BUSBAR,
1/4x2-1/4x6
004
214
BUSHING,
snap
1-5/8
ID
x
2
inch
mtg
hole
1 1
2
4
6
2
2
2 2
2
2
2
2
1
1
1
1
1 1
8
8
8
8
1
1
8
8
1
1
2
2
14
13
1
8
TD-045
206-B
1
2
3
4
Miller KA500000 Owner's manual
Miller KA000000 Owner's manual