A complete Parts List is available at www.MillerWelds.com
OM-4434 Page 22
5-7. Selecting Weld Cable Sizes*
Weld Cable Size** and 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)
Welding
Amperes
10
−
60%
Duty
Cycle
60
−
100%
Duty
Cycle
10
−
100% Duty Cycle
100
4 (20)
4 (20)
4 (20)
3 (30)
2 (35)
1 (50)
1/0 (60)
1/0 (60)
Weld Output
150
3 (30)
3 (30)
2 (35)
1 (50)
1/0 (60)
2/0 (70)
3/0 (95)
3/0 (95)
!
Turn off power before
Weld Output
Terminals
200
3 (30)
2 (35)
1 (50)
1/0 (60)
2/0 (70)
3/0 (95)
4/0 (120) 4/0 (120)
!
Turn off power before
connecting to weld
output terminals.
!
Do not use worn,
250
2 (35)
1 (50)
1/0 (60)
2/0 (70)
3/0 (95)
4/0 (120) 2 ea. 2/0
(2x70)
2 ea. 2/0
(2x70)
!
Do not use worn,
damaged, under-
sized, or poorly
spliced cables.
300
1 (50)
1/0 (60)
2/0 (70)
3/0 (95)
4/0 (120) 2 ea. 2/0
(2x70)
2 ea. 3/0
(2x95)
2 ea. 3/0
(2x95)
spliced cables.
350
1/0 (60)
2/0 (70)
3/0 (95)
4/0 (120) 2 ea. 2/0
(2x70)
2 ea. 3/0
(2x95)
2 ea. 3/0
(2x95)
2 ea. 4/0
(2x120)
400
1/0 (60)
2/0 (70)
3/0 (95)
4/0 (120) 2 ea. 2/0
(2x70)
2 ea. 3/0
(2x95)
2 ea. 4/0
(2x120)
2 ea. 4/0
(2x120)
500
2/0 (70)
3/0 (95)
4/0 (120)
2 ea. 2/0
(2x70)
2 ea. 3/0
(2x95)
2 ea. 4/0
(2x120)
3 ea. 3/0
(3x95)
3 ea. 3/0
(3x95)
*
This chart is a general guideline and may not suit all applications. If cables overheat, use next size larger cable.
**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.
( ) = mm
2
for metric use
S-0007-F
***For distances longer than those shown in this guide, call a factory applications representative at 920-735-4505.
Notes
Work like a Pro!
Pros weld and cut
safely. Read the
safety rules at
the beginning
of this manual.
