4.4Connecting to Weld Output Terminals
Ref.
1 Positive (+) Weld Output |
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Terminal |
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2 Negative (−) Weld Output |
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Terminal |
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For Direct Current Electrode Positi- |
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ve (DCEP), connect work cable to |
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Negative (−) terminal and electrode |
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cable (Stick) or torch cable (TIG) to |
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Positive (+) terminal. |
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For Direct Current Electrode Nega- |
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tive (DCEN), reverse cable con- | 1 | 2 |
nections. |
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If unit has optional polarity switch, connect work cable to Work terminal and electrode or torch cable to electrode terminal.
4.5Selecting Weld Cable Sizes
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| Total Cable (Copper) Length in Weld Circuit Not Exceeding |
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Welding | 100 ft (30 m) or Less |
| 150 ft | 200 ft | 250 ft | 300 ft | 350 ft | 400 ft | |
| (45 m) | (60 m) | (70 m) | (90 m) | (105 m) | (120 m) | |||
Amperes |
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| 10 − 60% | 60 − 100% Duty |
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| 10 − 100% Duty Cycle |
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| Duty Cycle | Cycle |
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100 | 4 | 4 |
| 4 | 3 | 2 | 1 | 1/0 | 1/0 |
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150 | 3 | 3 |
| 2 | 1 | 1/0 | 2/0 | 3/0 | 3/0 |
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200 | 3 | 2 |
| 1 | 1/0 | 2/0 | 3/0 | 4/0 | 4/0 |
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250 | 2 | 1 |
| 1/0 | 2/0 | 3/0 | 4/0 | ||
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300 | 1 | 1/0 |
| 2/0 | 3/0 | 4/0 | |||
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350 | 1/0 | 2/0 |
| 3/0 | 4/0 | ||||
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400 | 1/0 | 2/0 |
| 3/0 | 4/0 | ||||
Weld cable size (AWG) is based on either a 4 volts or less drop or a current density of at least 300 circular mils per ampere. | |||||||||
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