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  1. R

    Automatic disconnection of supply

    Tells me nothing I don't already know
  2. R

    Automatic disconnection of supply

    The RCD limits the fault current that passes through your body by breaking the fault at 30mA any higher and your in deep
  3. R

    Automatic disconnection of supply

    But if the result is an instant huge fault current that starts way above that figure why have it, hence my argument that the fault current grows from zero and fast.. In milliseconds; but is nipped in the bud by the RCD before it gets the chance. Plus if your argument is true why doesn't a 500mA...
  4. R

    Automatic disconnection of supply

    Fair point no protection
  5. R

    Automatic disconnection of supply

    I see so what's the point of that level, 30mA
  6. R

    Automatic disconnection of supply

    Depends if you got any leakage to earth, failing that it would do nothing
  7. R

    Automatic disconnection of supply

    Why do we have a 30ma RCD if the result is a pass through of a massive current, it would make a mockery of it
  8. R

    Automatic disconnection of supply

    Why is an RCD designed to detect 30mA there is a reason, because fault currents start at zero and climb in a time curve. And at 30mA we want it off and quick
  9. R

    Automatic disconnection of supply

    But it states you can achieve it by reducing the current to a non hazardous level I would like to know how, and if an RCD can't do it what can
  10. R

    Automatic disconnection of supply

    By time limited fault duration
  11. R

    Automatic disconnection of supply

    Don't get me wrong I totally understand the principle I'm simply pointing out the ambiguity of the regs
  12. R

    Automatic disconnection of supply

    .
  13. R

    Automatic disconnection of supply

    .
  14. R

    Automatic disconnection of supply

    How about electrical separation can this afford basic protection
  15. R

    Automatic disconnection of supply

    I stand corrected if 30mA could be argued is not low enough for livestock .
  16. R

    Automatic disconnection of supply

    Because by definition basic protection stops the flow of current and also by definition an RCD provides basic protection regulation 131.2.1 says it does,
  17. R

    Automatic disconnection of supply

    Flawed argument we have either achieved basic protection or we havent, and if we haven't then the regulation 131.2.1 is nonsense
  18. R

    When can an RCD be omitted from a domestic cable run

    New
  19. R

    Automatic disconnection of supply

    Out of scope of the argument, DOES AN RCD provide basic protection down stream
  20. R

    Automatic disconnection of supply

    This protection CAN be achieved by one of the following methods: It doesnt say "ohh and by the way not really" it clearly states you will have achieved basic protection

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