*Total circuit length includes both welding and ground leads (based on 4 Volt drop) 60% duty cycle.
REQUIRED CABLE SIZE (AWG) FOR ARC WELDING APPLICATIONS
| Amps | Length in feet for total circuit* | ||||||
|---|---|---|---|---|---|---|---|
| 100 | 150 | 200 | 250 | 300 | 350 | 400 | |
| 100 | 4 | 4 | 2 | 2 | 1 | 1/0 | 1/0 |
| 150 | 4 | 2 | 1 | 1/0 | 2/0 | 3/0 | 4/0 |
| 200 | 2 | 1 | 1/0 | 2/0 | 3/0 | 4/0 | 4/0 |
| 250 | 1 | 1/0 | 2/0 | 3/0 | 4/0 | ||
| 300 | 1/0 | 2/0 | 3/0 | 4/0 | |||
| 350 | 1/0 | 3/0 | 4/0 | ||||
| 400 | 2/0 | 3/0 | NOT for 600 Volt applications. For secondary voltages only. |
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| 450 | 2/0 | 4/0 | |||||
| 500 | 3/0 | 4/0 | |||||
| 550 | 3/0 | 4/0 | |||||
| 600 | 4/0 | ||||||