Welding cables?

A little bit more, leaning towards Lincoln........

https://www.practicalmachinist.com/forum/threads/haas-kamp-conversion-lincoln-cv300.335043/
https://www.practicalmachinist.com/forum/threads/lincoln-cv-400-on-single-phase.295513/
and just plain search
https://www.google.com/search?q=haa...BBDAuMTaYAQCgAQHIAQjAAQE&sclient=gws-wiz-serp