Differences between Welding Cable Class K & Welding Cable Class M?

Many customers looking for welding leads ask us the differences between the Welding Cable Class K & the Welding Cable Class M?

Although both are flexible, rated for 600v, cut to the foot at no extra charge, and fully annealed stranded bare copper there are several differences which are listed below.

Welding Cable Class K

  • available in red & black jackets only
  • most common welding cable
  • 30 awg copper strandings

Welding Cable Class M

  • available in orange jacket only
  • greater flexibility than the class k
  • more durable jacket than the class k
  • UL/CSA Listed
  • more amps per size than class k
  • 34 awg copper stranding

If you would like to know pricing on all welding cables listed on our site please click here to view our welding cable category.

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