+An **electric arc** is a luminous, sustained [plasma](/wiki/plasma) discharge, formed when electric current bridges a gap in gas. It radiates intense heat and light, a concentrated channel of raw electrical energy. This powerful phenomenon finds application in [welding](/wiki/welding) and lighting.
+## See also
+- [Arc Lamp](/wiki/arc_lamp)
+- [Circuit Breaker](/wiki/circuit_breaker)
+- [Electric Current](/wiki/electric_current)
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