For easy polarity switching. Example: DC-stick root pass on pipe & DC stick for hot, full and cap passes. Also for an easy process change. Example: DC stick root pass on pipe & DC Innershield self-shielded flux-cored wire for hot, fill and cap passes. 6-pin & 14-pin remote connections can be made to this unit. For all Lincoln Chopper Technology engine-driven welders. Mounts on roof with K2663-1 Docking Kit.
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