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3-5. Weld Output Terminals And Selecting Cable Sizes
Y ARC WELDING can cause Electromagnetic Interference.
To reduce possible interference, keep weld cables as short as possible, close together, and down low, such as on the floor.
Locate welding operation 100 meters from any sensitive electronic equipment. Be sure this welding machine is installed
and grounded according to this manual. If interference still occurs, the user must take extra measures such as moving
the welding machine, using shielded cables, using line filters, or shielding the work area.
Y Turn off power before
connecting to weld out-
put terminals.
Y Do not use worn, dam-
aged, undersized, or
poorly spliced cables.
Work
Electrode
803 255
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.
OM-361 Page 8
Total Cable (Copper) Length In Weld Circuit Not Exceeding
100 ft (30 m) Or Less
10 − 60%
60 − 100%
Welding
Duty
Duty
Amperes
Cycle
Cycle
100
4
150
3
200
3
250
2
150 ft
200 ft
(45 m)
(60 m)
10 − 100% Duty Cycle
4
4
3
3
2
1
2
1
1/0
1
1/0
2/0
250 ft
300 ft
350 ft
(70 m)
(90 m)
(105 m)
2
1
1/0
1/0
2/0
3/0
2/0
3/0
4/0
3/0
4/0
2-2/0
400 ft
(120 m)
1/0
3/0
4/0
2-2/0
S-0007-D
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