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Arc Fault Detection Device (AFDD) - Are you being installed?

Hi,


I have not posted in some time but have always found it helpful when I did before so...


My question is a simple one, are you finding that AFDDs are being specified and installed as per IET recommendation, or are people choosing to ignore them for now as they are not a binding requirement?


Many thanks in advance.
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  • Thanks all three.  What you have said questioining whether the units are effective or not, and whether they should be mandated, is very close to my thoughts.  if not aligned.


    This has been (and I hope might continue to be) a good sounding board.  :)


    I'm particularly interested in the comment regarding how mains-filters might effect AFD operation.  I guess your comment regards the ability to detect an arc downstream of the filter as the filter has removed the arc signature and just presents a [reasonably] clean sine wave?  It sounds like you have some interesting stuff to work on!
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  • Thanks all three.  What you have said questioining whether the units are effective or not, and whether they should be mandated, is very close to my thoughts.  if not aligned.


    This has been (and I hope might continue to be) a good sounding board.  :)


    I'm particularly interested in the comment regarding how mains-filters might effect AFD operation.  I guess your comment regards the ability to detect an arc downstream of the filter as the filter has removed the arc signature and just presents a [reasonably] clean sine wave?  It sounds like you have some interesting stuff to work on!
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