Specifications

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BOSS ARC 140VRD、160VRD Operating Manual
3.0 OPERATOR CONTROLS
3.01 BOSS ARC VRD Series Controls
Figure 2
1. Welding Current Control——Used for regulating to welding current.
2. Warning Indicator
3. AC Power Indicator
4. Main Power Switch
5. Positive (+) Socket——TIG connect the work lead/ MMA connect the electrode holder.
6. Negative (-) Socket——TIG connect the TIG torch/ MMA connect the work lead.
7. Input Power Cable
8. Ground Screw
9. VRD Indicator
WARNING
When the welder is connected to the primary supply voltage, the internal electrical
components maybe at primary potential with respect to earth.