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OM-2241 Page 13
3-8. Weld Output Terminals And Selecting Cable Sizes
Total Cable (Copper) Length In Weld Circuit Not Exceeding
100 ft (30 m) Or Less
150 ft
(45 m)
200 ft
(60 m)
250 ft
(70 m)
300 ft
(90 m)
350 ft
(105 m)
400 ft
(120 m)
Y Turn off power before
connecting to weld out-
put terminals.
Y Do not use worn, dam-
aged, undersized, or
poorly spliced cables.
Welding
Amperes
10 − 60%
Duty Cycle
60 − 100%
Duty Cycle
10 − 100% Duty Cycle
100 4 4 4 3 2 1 1/0 1/0
150 3 3 2 1 1/0 2/0 3/0 3/0
200 3 2 1 1/0 2/0 3/0 4/0 4/0
250 2 1 1/0 2/0 3/0 4/0 2-2/0 2-2/0
300 1 1/0 2/0 3/0 4/0 2-2/0 2-3/0 2-3/0
350 1/0 2/0 3/0 4/0 2-2/0 2-3/0 2-3/0 2-4/0
Negative
Stainless Steel/
400 1/0 2/0 3/0 4/0 2-2/0 2-3/0 2-4/0 2-4/0
Negative
Stainless Steel/
Aluminum
500 2/0 3/0 4/0 2-2/0 2-3/0 2-4/0 3-3/0 3-3/0
Aluminum
All Other
Materials
600 3/0 4/0 2-2/0 2-3/0 2-4/0 3-3/0 3-4/0 3-4/0
All Other
Materials
700 4/0 2-2/0 2-3/0 2-4/0 3-3/0 3-4/0 3-4/0 4-4/0
*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. Contact your distributor for
the mm
2
equivalent weld cable sizes. S-0007-E