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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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    Chris Pearson:

    Where does the 2 A threshold for tripping come from?


    I assume it's because the AFDD manufacturers haven't worked out how to reliably detect an arc below 2A.


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  • 0
    Chris Pearson:

    Where does the 2 A threshold for tripping come from?


    I assume it's because the AFDD manufacturers haven't worked out how to reliably detect an arc below 2A.


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