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Minimum values of insulation resistance

Wombat
What is the science behind the 1 MOhm minimum insulation resistance? What is the basis for this particular value?
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  • 0
    Is an NE fault immedately dangerous, potentially dangerous, or just extremely annoying if it causes nuisance tripping ?

    Personally, I think without another fault, such as an open CPC - which may come with the cable damage (rings are nice as you can test for that) or LN reversal, it is probably more of a pain  than an immediate  danger.
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  • 0
    Is an NE fault immedately dangerous, potentially dangerous, or just extremely annoying if it causes nuisance tripping ?

    Personally, I think without another fault, such as an open CPC - which may come with the cable damage (rings are nice as you can test for that) or LN reversal, it is probably more of a pain  than an immediate  danger.
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