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Electric arcs are a classic thermal source used mainly in welding operationsWelding is based on the ionization of the gas between two electrodesOne of the electrodes is usually on the part and the other is located and guided by the torchOnce the gas between the electrodes is ionized, a plasma arc is formed.

An electric arc, or arc discharge, is an electrical breakdown of a gas that produces a prolonged electrical discharge.The current through a normally nonconductive medium such as air produces a plasma the plasma may produce visible light.

An electric arc is an electrical breakdown of a gas, which produces an ongoing plasma discharge, resulting from a current through normally non conductive media such as airArc lamp or arc light is the general term for a class of lamps that produce light by an electric arc.

Electric arc, continuous, high density electric current between two separated conductors in a gas or vapour with a relatively low potential difference, or voltage, across the conductorsThe high intensity light and heat of arcs are utilized in welding, in carbon arc lamps and arc furnaces that

Arc faults are often responsible for electrical fires in residential and commercial buildingsPut simply, an electrical arc is an electrical current that is intentionally or unintentionally discharging itself across a gap between two electrodes via a gas, vapor, or air and expending a relatively low voltage across the conductors.

An electric arc is a powerful, highly concentrated source of heat and lightThese electric arc properties determine the main areas of its applicationElectric arcs are widely used in various welding devices, in steel melting arc furnaces and in plasmatronsArc light sources are used in various lighting devices (e.g in floodlights).