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ARE WE THE MEAT IN THE SANDWICH?

John Peckham
I know I am old grumpy and cynical as my wife tells me that every day! 


However am I right in thinking that BS 7671 and LV installation design requirements are having to compensate for problems in the DNO supplies to building and at the other end poor quality appliances. It appears to me we are having to compensate for other people's failings.


For example having to compensate for DNOs not maintaining their supplies in good working order, I am thinking hear about PEN failures, although their is a statutory duty (ESQCR) to do so. At the other end poor quality appliances susceptible  to transients, counterfieght goods from the Far East and generally not fit for purpose e.g a certain make of fridge freezers, washing machines and tumble driers.


Surely us LV piggy in the middle has become the meat in the sandwich?


Discuss? 


JP


PS where has the smell checker function gone on this forum?
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  • 0
    To Burn

    It is likely that both of these were broken neutral events. You should contact the DNO with this accusation and see what they say. Surges do not damage either of these well protected components in my experience, and that cannot be a coincidence that they followed DNO "outages", because just switching on or off damages nothing! If you don't complain they will just keep it quiet. Broken neutrals are notifiable events, but often this doesn't happen. I will be very interested to follow up their reply.


    Regards

    David CEng etc.
Reply
  • 0
    To Burn

    It is likely that both of these were broken neutral events. You should contact the DNO with this accusation and see what they say. Surges do not damage either of these well protected components in my experience, and that cannot be a coincidence that they followed DNO "outages", because just switching on or off damages nothing! If you don't complain they will just keep it quiet. Broken neutrals are notifiable events, but often this doesn't happen. I will be very interested to follow up their reply.


    Regards

    David CEng etc.
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