7
FIGURE 3-6 SELECTING & PREPARING W ELD OUTPUT CABLES.
3-6 SELECTING & PREPARING WELD OUTPUT CABLES
2
1
3
4
TABLE 3-2 SELECTION OF CABLES AT 120 Vac
1 Weld Output Cable
Determine Total
Cable Length In W eld Circuit And
Maximum Welding Amperes. USe Table
3-1 To Select Proper Cable Size.
Use shortest cables possibles . Do not
Use Damages Cables.
2 Terminal Lug.
Use Lugs of Proper
Amperage Capacity And Hole Size For
Connecting To W ork Clamp, Electrode
Holder, And W eld Output Terminals.
3 Insulated Electrode Holder
Install
According to Manufacturer Instructiions
4 Works Clamp
Install Onto W orks
Cable.
For Example To-
tal Cable Length
in W eld Circuit =
6 m (20 Ft).
CABLE LENGTH FOR LOAD 240 Vac
Current
(Amp.)
Load
(Watts)
4 AWG
6 AWG
8 AWG
10 AWG
12 AWG
14 AWG
5
7
10
15
20
25
30
35
40
45
50
1200
1680
2400
3600
4800
6000
7000
8400
9600
10,800
12,000
800 (244)
600 (183)
450 (137)
350 (107)
300 ( 91)
250 ( 76)
225 ( 69)
200 ( 61)
175 ( 53)
800 (244)
550 (168)
350 (107)
275 ( 84)
225 ( 69)
175 ( 53)
150 ( 46)
125 ( 38)
125 ( 38)
100 ( 31)
700 (213)
500 (152)
350 (107)
225 ( 69)
175 ( 53)
125 ( 38)
100 ( 31)
100 ( 31)
75 ( 23)
450 (137)
300 ( 91)
225 ( 69)
150 ( 46)
100 ( 31)
75 ( 23)
75 ( 23)
225 ( 69)
200 ( 61)
125 ( 38)
75 ( 23)
60 ( 18)
200 ( 61)
125 ( 38)
100 ( 31)
75 ( 23)
60 ( 18)
MAXIMUM PERMISSIBLE CABLE LENGTH IN Ft (m)
FOR DIFFENENTS CALIBRES*
* Based on maximum valtage of 2%