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INSTALLATION | ||
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SAFETY PRECAUTION |
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| ELECTRIC SHOCK can kill. |
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| • Only qualified personnel should |
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| perform this installation. |
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| • Turn off the input power to the |
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| power source at the disconnect |
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| switch or fuse box before working |
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| on this equipment. Turn off the |
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| input power to any other equipment |
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| connected to the welding system at |
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| the disconnect switch or fuse box |
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| before working on this equipment. |
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• | Do not touch electrically hot parts. |
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WELD CABLE SIZES
Table A.1 has the copper cable sizes recommended for different currents and duty cycles. Lengths stipulated are the distance from the welder to work and back to the welder again. Cable sizes are increased for greater lengths primarily for the purpose of minimizing voltage in the welding circuit.
TABLE A.1
RECOMMENDED CABLE SIZES (RUBBER COVERED COPPER - RATED 75°C)**
CABLE SIZES FOR COMBINED LENGTHS OF ELECTRODE AND WORK CABLES
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| Percent |
| 0 to 50 Ft. |
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| 50 to 100Ft. |
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| 100 to 150 Ft. |
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| 150 to 200 Ft. |
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| 200 to 250 Ft. |
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| Duty |
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| 31 to 48 m |
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| 48 to 61 m |
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| 61 to 76 m |
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| Amperes | Cycle | 0 to 15 m |
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| 15 to 31 m |
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200 | 60 |
| 2 |
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| 2 |
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| 2 |
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| 1 |
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| 1/0 |
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200 | 100 |
| 2 |
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| 2 |
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| 2 |
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| 1 |
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| 1/0 |
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225 | 20 |
| 4 or 5 |
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| 3 |
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| 2 |
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| 1 |
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| 1/0 |
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225 | 40 & 30 |
| 3 |
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| 3 |
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| 2 |
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| 1 |
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| 1/0 |
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250 | 30 |
| 3 |
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| 3 |
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| 2 |
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| 1 |
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| 1/0 |
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250 | 40 |
| 2 |
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| 2 |
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| 1 |
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| 1 |
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| 1/0 |
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250 | 60 |
| 1 |
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| 1 |
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| 1 |
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| 1 |
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| 1/0 |
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250 | 100 |
| 1 |
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| 1 |
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| 1 |
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| 1 |
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| 1/0 |
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300 | 60 |
| 1 |
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| 1 |
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| 1 |
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| 1/0 |
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| 2/0 |
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325 | 100 |
| 2/0 |
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| 2/0 |
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| 2/0 |
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| 2/0 |
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| 3/0 |
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350 | 60 |
| 1/0 |
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| 1/0 |
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| 2/0 |
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| 2/0 |
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| 3/0 |
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400 | 60 |
| 2/0 |
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| 2/0 |
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| 2/0 |
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| 3/0 |
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| 4/0 |
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400 | 100 |
| 3/0 |
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| 3/0 |
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| 3/0 |
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| 3/0 |
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| 4/0 |
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500 | 60 |
| 2/0 |
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| 2/0 |
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| 3/0 |
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| 3/0 |
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| 4/0 |
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**Tabled values are for operation at ambient temperatures of 40°C and below. Applications above 40°C may require cables larger than recommended, or cables rated higher than 75°C.