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The Arc Fault Detection Device… again.

whjohnson
Some humourous but valid observations on AFDDs, the state of the industry, the wiring regs and future amendment requirements.

He also attempts to build a AFFD tester which electrically tests rather than relying upon the mechanical action of the test button on the device itself.

https://www.youtube.com/watch?v=e0ElFaKc_e8

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    mapj1:

    Chris, the wobbly choc block has been done, by John Ward.

    Try about 5 to 6 mins into  this video for an idea of how well it works with a light load  for that sort of fault, or about 23 mins into this one, for a higher fault current.. I found it underwhelming in the extreme in both cases.


    Mike, thank you. That is exactly what I was thinking of except that perhaps he could have tried a larger load (though I take his point about most of them being small ones in homes) or perhaps he could have "tuned" the choc-block.


    I found it got a bit boring!


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  • 0
    mapj1:

    Chris, the wobbly choc block has been done, by John Ward.

    Try about 5 to 6 mins into  this video for an idea of how well it works with a light load  for that sort of fault, or about 23 mins into this one, for a higher fault current.. I found it underwhelming in the extreme in both cases.


    Mike, thank you. That is exactly what I was thinking of except that perhaps he could have tried a larger load (though I take his point about most of them being small ones in homes) or perhaps he could have "tuned" the choc-block.


    I found it got a bit boring!


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