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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:

    To be fair, a 13A fuse will detect and operate on a parallel arc on a 230V circuit that has been correctly sized in terms of voltage drop, it is largely a redundant feature.




    When comparing apples and pears, it should be noted there no electrical out of the reach of BS7671 The Wiring Regulations that has so many low rated fuses in installations and appliances, do they?


    Where else in the world are there fused connection units and polarised plugs with fuses, all rated at 13 amps or less? 


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  • 0
    mapj1:

    To be fair, a 13A fuse will detect and operate on a parallel arc on a 230V circuit that has been correctly sized in terms of voltage drop, it is largely a redundant feature.




    When comparing apples and pears, it should be noted there no electrical out of the reach of BS7671 The Wiring Regulations that has so many low rated fuses in installations and appliances, do they?


    Where else in the world are there fused connection units and polarised plugs with fuses, all rated at 13 amps or less? 


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