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OM-2236 Page 14
4-7. Selecting And Preparing Weld Output Cables
10 ft (3 m)
1
Total Cable
Length In Weld
Circuit = 20 ft (6 m)
10 ft (3 m)
For Example,
2
4
3
2
Tools Needed:
sb6.1 11/92 − S-0653
1 Weld Output Cable
Determine total cable length in weld
circuit and maximum welding am-
peres. See Section 4-8 to select
proper cable size.
Use shortest cables possible.
Do not use damaged cables.
2 Terminal Lug
Use lugs of proper amperage
capacity and hole size for connect-
ing to work clamp, electrode holder,
and weld output terminals.
3 Insulated Electrode Holder
Install according to manufacturer’s
instructions.
4 Work Clamp
Install onto work cable.
4-8. Weld 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)
Welding
Amperes
10 To 60%
Duty Cycle
60 Thru 100%
Duty Cycle
10 Thru 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
400 1/0 2/0 3/0 4/0 2-2/0 2-3/0 2-4/0 2-4/0
500 2/0 3/0 4/0 2-2/0 2-3/0 2-4/0 3-3/0 3-3/0
600 3/0 4/0 2-2/0 2-3/0 2-4/0 3-3/0 3-4/0 3-4/0
*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