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3-13. Connecting Input Power
8
4
Tools Needed:
3/8 in
3/8 in
!
Installation must meet all National
and Local Codes − have only qualified
persons make this installation.
!
Disconnect and lockout/tagout input
power
before
connecting
conductors from unit.
!
Always
connect
green/yellow conductor to supply
grounding terminal first, and never to
a line terminal.
See rating label on unit and check input volt-
age available at site.
1
Input Power Conductors (Customer
Supplied Cord)
Select size and length of conductors using
Section 3-11. Conductors must comply with
national, state, and local electrical codes. If
applicable, use lugs of proper amperage
capacity and correct hole size.
1
10
7
9
L1
6
L2
Welding Power Source Input Power
Connections
2
Strain Relief
Route conductors (cord) through strain relief
input
and tighten screws.
3
Machine Grounding Terminal
green
or
4
Green Or Green/Yellow Grounding
Conductor
Connect green or green/yellow grounding
conductor
to
grounding terminal first.
5
Welding Power Source Line Terminals
6
Input Conductors L1 And L2
Connect input conductors L1 and L2 to
welding power source line terminals.
Install side panel on welding power source.
=GND/PE Earth Ground
2
1
4
3
welding
power
source
6
5
Disconnect
Device
Input
Connections
7
Disconnect Device (switch shown in
OFF position)
8
Disconnect Device (Supply) Grounding
Terminal
Connect green or green/yellow grounding
conductor to disconnect device grounding
terminal first.
9
Disconnect Device Line Terminals
Connect input conductors L1 and L2 to
disconnect device line terminals.
10 Overcurrent Protection
Select type and size of overcurrent protection
using Section 3-11 (fused disconnect switch
shown).
Close and secure door on line disconnect
device. Remove lockout/tagout device, and
place switch in the On position.
OM-225 757 Page 17
804 352-C
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