Welding cable is designed for use in electric arc-welding machines to power an electrode, a specially designed metal rod, that conducts a charge. The charge carried by the electrode is needed to produce an electric arc, the heat source, between the electrode and the metals being welded. .
A welding wire is a slim metallic rod that is ignited to generate a heated arc for the purpose of fusing metal pieces together (welding) by rendering the wire soft via hammering or compressing under an applied heat source. .
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