
I got these as an add on to a 90A AC FCAW so I can use a thin rod on the AC output. Bought a set of dinse sockets to add to my unit and a set of switches, one for the flux wire motor and the other to bypass the trigger on the wire gun. I seriously doubt these cables will handle 300 amps, but I'm not sure. Use them on this beefy device too. It's only for small short things and a realistic maximum is probably 80 amps at best. I'm not a serious welder and I don't need expensive things to make the few little things I need. opportunity to buy. :)

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