Arc voltage in welding typically ranges from which values?

Arc voltage in welding typically ranges from which values?

• A. 17-40 volts
• B. 5-15 volts
• C. 50-100 volts
• D. 100-200 volts

Answer: (A)

Arc voltage is the electrical potential between the welding electrode and the workpiece when the arc is struck. It governs arc stability and heat input: too low a voltage can make the arc weak and unstable with poor penetration, while too high a voltage can widen the arc, increase heat, and risk burn-through or spatter. In typical welding practice, the arc voltage during operation sits around 17 to 40 volts, which provides a stable arc and a good balance of heat and penetration for common processes. The other ranges are outside what you normally see in manual welding—5 to 15 volts is usually too low for a reliable arc, and 50 to 100 volts or 100 to 200 volts is higher than what most welding power sources deliver during welding.

Arc voltage is the electrical potential between the welding electrode and the workpiece when the arc is struck. It governs arc stability and heat input: too low a voltage can make the arc weak and unstable with poor penetration, while too high a voltage can widen the arc, increase heat, and risk burn-through or spatter. In typical welding practice, the arc voltage during operation sits around 17 to 40 volts, which provides a stable arc and a good balance of heat and penetration for common processes. The other ranges are outside what you normally see in manual welding—5 to 15 volts is usually too low for a reliable arc, and 50 to 100 volts or 100 to 200 volts is higher than what most welding power sources deliver during welding.