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a question about standard

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  • a question about standard

    Can anyone kindly tell me which UL standard covers the rectifier-type welding machine and plasma cutter.

  • #2
    Keep in mind it may not necessarily be a UL Standard for all machines. Some are listed with the Canadian Standards. That is my limit of knowledge on this subject. I hope you get your answer.


    • #3
      I know that C22.2 No.60-M1990 covers plasma cutting equipment, but if the welding machine is for US market, which standard should be used? Also, I don't know which standard covers rectifier type machine. Beacuse the socpe of UL551 says that it do not cover that kind of machine.
      Last edited by eleven7856; 11-08-2006, 05:03 AM.


      • #4
        Many welding machines, including some Millers, in the US Market are listed with the Canadian Standards INSTEAD of UL.


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