Suggested Ampacity for Welding Cable
Welding Cables are Available in these Colors:
• Black
• Blue
• Green
• Red
• Yellow
This Ampacity chart will help you to choose the correct welding cable Sizes for your jobs.
| Amps | 50FT | 75FT | 100FT | 125FT | 150FT | 175FT | 200FT | 225FT | 250FT | 275FT | 300FT | 325FT | 350FT |
| 100 | #4 | #2 | #2 | #1 | #1 | 1/0 | 2/0 | 2/0 | 3/0 | 3/0 | 3/0 | 4/0 | 4/0 |
| 150 | #2 | #2 | #1 | 1/0 | 2/0 | 3/0 | 3/0 | 4/0 | 4/0 | - | - | - | - |
| 200 | #2 | #1 | 2/0 | 3/0 | 3/0 | 4/0 | 4/0 | - | - | - | - | - | - |
| 250 | #1 | 1/0 | 3/0 | 4/0 | 4/0 | - | - | - | - | - | - | - | - |
| 300 | #1 | 2/0 | 3/0 | 4/0 | - | - | - | - | - | - | - | - | - |
| 350 | 1/0 | 3/0 | 4/0 | - | - | - | - | - | - | - | - | - | - |
| 400 | 2/0 | 3/0 | - | - | - | - | - | - | - | - | - | - | - |
| 450 | 2/0 | 4/0 | - | - | - | - | - | - | - | - | - | - | - |
| 500 | 3/0 | 4/0 | - | - | - | - | - | - | - | - | - | - | - |
| 550 | 4/0 | - | - | - | - | - | - | - | - | - | - | - | - |
| 600 | 4/0 | - | - | - | - | - | - | - | - | - | - | - | - |