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Arc Fault Detection Devices

Former Community Member
Former Community Member
Hi Everyone,

I'm just wondering how everyone is faring with AFDDs, especially in commercial/industrial installations?

421.1.1 states that you shall protect against "insulation faults or arcs, sparks and high temperature particles", yet 421.1.7 only recommends AFDDs,


What are everyone's thoughts?


Thanks,

Nathan
Parents
  • My experience is that I have none!

    Wholesaler laughed at me when I asked about them. "Come back and talk to me about these devices when you are wiring a server farm for google or microsoft - we have never been asked for them and we don't intend to make them a stock item".


    I suspect that after 'RCD everything', Buy your torque screwdrivers', fit metal CUs only', that this is the latest wheeze to flog gear to resolve a problem which does not really exist in the UK - we aren't located in sub-tropical latitude are we? And if there really is a problem, then why aren't the OEM guys resolving it at their equipment/appliance-end at the other end of the 13A plug instead?

    Cost-cutting on component quality, or even omitting such integral protection altogether?

    You can buy 4-13A outlet 'bars' with built-in anti-surge/arc protection for a lot cheaper than one of these things.

    If anything was ripe for entering into the 'Departures from BS767' box, this issue is it.
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  • My experience is that I have none!

    Wholesaler laughed at me when I asked about them. "Come back and talk to me about these devices when you are wiring a server farm for google or microsoft - we have never been asked for them and we don't intend to make them a stock item".


    I suspect that after 'RCD everything', Buy your torque screwdrivers', fit metal CUs only', that this is the latest wheeze to flog gear to resolve a problem which does not really exist in the UK - we aren't located in sub-tropical latitude are we? And if there really is a problem, then why aren't the OEM guys resolving it at their equipment/appliance-end at the other end of the 13A plug instead?

    Cost-cutting on component quality, or even omitting such integral protection altogether?

    You can buy 4-13A outlet 'bars' with built-in anti-surge/arc protection for a lot cheaper than one of these things.

    If anything was ripe for entering into the 'Departures from BS767' box, this issue is it.
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