Process/polarity table, Changing polarity, 3. process/polarity table – Miller Electric XLT 185 User Manual
Page 17: 4. changing polarity
OM-230 832 Page 13
5-3.
Process/Polarity Table
Process
Polarity
Cable Connections
Process
Polarity
Cable To Gun
Cable To Work
GMAW − Solid wire with shield-
ing gas
DCEP − Reverse polarity
Connect to positive (+) out-
put terminal
Connect to negative (−) output
terminal
FCAW − Self-shielding wire −
no shielding gas
DCEN − Straight Polarity
Connect to negative (−)
output terminal
Connect to positive (+) output
terminal
CHANGING
POLARITY
5-4.
Changing Polarity
1
Lead Connections For Direct
Current Electrode Negative
(DCEN)
2
Lead Connections For Direct
Current Electrode Positive
(DCEP)
Always read and follow wire
manufacturer’s recommended
polarity, and see Section 5-3.
Close door.
Ref. 209 228 / Ref. 209 229
1
2
DCEN
Electrode negative for
flux cored wire
DCEP
Electrode positive for
solid wire
.
Connection hardware must be tightened
with proper tools. Do not just hand tighten
hardware. A loose electrical connection
will cause poor weld performance and
excessive heating at the terminal block.