Miller Big Blue 450X Duo CST, Owner'S Manual

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Complete Parts List available at www.MillerWelds.com
OM-247969 Page 28
5-10. Making Dual Operator CC Weld Connections With Common Work Cables
907 473 − 10B / Ref. 801 701
!
Stop engine.
!
Failure to properly size and connect
weld cables may cause excessive
heat and start a fire, or damage your
machine.
NOTICE − When making weld connections
with a common work cable, connect
separate cables of adequate size and equal
length to the weld output receptacles.
Where the weld cables are joined, be sure
connecting hardware is adequate for
expected amperage and that the junction is
properly insulated.
NOTICE − When using these connections
as a common work terminal, all
connections must be of the same polarity.
NOTICE − For common work connection,
work cable must be able to carry combined
weld output of both modules (see Section
5-8 for proper cable size).
NOTICE − Do not exceed machine duty
cycle.
1 Electrode Holder Cables For DCEP
2 Common Work Cable
For Stick/TIG welding Direct Current
Electrode Positive (DCEP), connect
common work cable to workpiece.
Connect electrode holder cables to Positive
(+) receptacles.
For Stick/TIG Direct Current Electrode
Negative (DCEN), reverse connections.
1
2