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HOT TUBS ANY VIEWS OR ISSUES?

John Peckham
I have been chatting to a mate of mine who is a very experienced sparks who does 10-15 hot tub installs a year. He TTs his supplies to hot tubs which are on PME supplies which is the majority of supplies in Essex other than the odd TT supply in country areas.


He does get called back to hot tubs that he has not carried out electrical installations because people climbing in and out of the hot tub where people have experienced "tingles" ie minor electric shocks. Sure enough these shocks are due to the hot tub being directly connected to the PME earth.


Currently (excuse the pun) BS 7671 701 and 702 do not cover hot tubs only the general rules in Parts 1-6.


Does anyone on the forum carry out hot tub installations and if so how do you do it? Has anyone been called to investigate "tingles"? Does anyone know of any more serious shocks or injuries relating to hot tubs or any other equipment connected to a a PME supply?


Thanks in anticipation.


JP


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  • Former Community Member
    0 Former Community Member
    John Peckham:

    Chris


    IET GN5 recommends a plastic insert in water supplies to outside taps that are use metal pipe work connected to a PME earth.


    I have put a plastic joint in my incoming water supply just after the stop valve. I did this as. I have an overhead PME supply that gets thrashed by the local trees as it runs through the village during stormy weather. I have no gas or oil supply. I did this to prevent diverted neutral currents setting light to the house if the PEN became open circuit.


    Hi John, please could you explain a scenario that could set light to your house had you not put a plastic joint in your incoming water supply? Thanks


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  • Former Community Member
    0 Former Community Member
    John Peckham:

    Chris


    IET GN5 recommends a plastic insert in water supplies to outside taps that are use metal pipe work connected to a PME earth.


    I have put a plastic joint in my incoming water supply just after the stop valve. I did this as. I have an overhead PME supply that gets thrashed by the local trees as it runs through the village during stormy weather. I have no gas or oil supply. I did this to prevent diverted neutral currents setting light to the house if the PEN became open circuit.


    Hi John, please could you explain a scenario that could set light to your house had you not put a plastic joint in your incoming water supply? Thanks


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