Design and function
MMA welding
099-000118-EW501
24.11.2017
67
5.10 MMA welding
5.10.1 Connecting the electrode holder and workpiece lead
CAUTION
Risk of crushing and burns!
When changing stick electrodes there is a risk of crushing and burns!
• Wear appropriate and dry protective gloves.
• Use an insulated pair of tongs to remove the used stick electrode or to move welded
workpieces.
Shielding gas connection!
During MMA welding open circuit voltage is applied at the shielding gas connection
(G¼" connecting nipple).
• Place yellow insulating cap on the G¼" connection nipple (protects against electrical
voltage and dirt).
Figure 5-52
Item Symbol
Description
0
1
Electrode holder
2
Connection socket, “-” welding current
Electrode holder connection
3
Workpiece
4
Connection socket, “+” welding current
Connection for workpiece lead
