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Minimum values of insulation resistance

What is the science behind the 1 MOhm minimum insulation resistance? What is the basis for this particular value?
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  • Zoomup:

    "...two electricians went to investigate two different electric shock events at different times and presumably neither of them did a global insulation test."


    They were unprofessional in their attitude and work, and just wanted to get out quickly. You are professional, dedicated, conscientious and competent Andy, and a credit to our industry.


    Z.




     

    I don’t know about that, it seems to me that quite a few guys just bang test and consider that if the RCD doesn’t trip the job’s a good one.


    Andy B
Reply

  • Zoomup:

    "...two electricians went to investigate two different electric shock events at different times and presumably neither of them did a global insulation test."


    They were unprofessional in their attitude and work, and just wanted to get out quickly. You are professional, dedicated, conscientious and competent Andy, and a credit to our industry.


    Z.




     

    I don’t know about that, it seems to me that quite a few guys just bang test and consider that if the RCD doesn’t trip the job’s a good one.


    Andy B
Children
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