The present invention relates to a single cable connecting a gas welding device and a wire feeder, the single cable for connecting a wire feeder consisting of a main cable of a predetermined length having an adapter at both ends and a distribution line coupled to the adapter, respectively, The distribution line is composed of a power cable, a gas line, and a control cable for supplying power, wherein the power cable and gas line are provided as an integrated adapter, and the control cable is installed in the terminal socket by installing a separate terminal socket on the adapter. The present invention relates to a single cable for connecting a wire feeder that can be detached and configured to be detachable, which is easy to carry and store, and can prevent disconnection due to damage or damage.
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