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EV install on a TT system - DNO PME?

Former Community Member
Former Community Member

Hi, new to this forum.

These might be obvious questions but I can't find an answer to it. 

Background.

A domestic house has a TT supply, has had a CU changed in 2019 but the new owners have no paperwork.

I can find no evidence of an earth rod anywhere and all the bonding cables go to the gas/water supplies. I did a quick Zs at the board = 2.9ohms. 

How do I know if the installation has been PME'd on the pole? (overhead wires)

Second part is - they want an EV charger installed that they brought with them from their old house. It will require TT, but as this property is TT it shouldn't need to have a separate rod.

If the installation is  a PME'd TT I would assume I would need to TT the EV?

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    Chris Pearson: 
     

    Zoomup: 
    Clues: Notices affixed to the poles. Earth rods installed at the base of poles, especially at the last one in a run of poles.

    If the installation is P.M.E. earthed it will have an official P.M.E. earth terminal installed and a notice informing us of that.

    It may not be possible to see all the poles and in any event it is possible that none of them has an earth.

     

     

    You can't miss 'em Chris. They are big wooden things that rise vertically up like a high tree trunk with cables on the top. 

    Vss P.M.E. head…

     

    Z.

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  • 0

    Chris Pearson: 
     

    Zoomup: 
    Clues: Notices affixed to the poles. Earth rods installed at the base of poles, especially at the last one in a run of poles.

    If the installation is P.M.E. earthed it will have an official P.M.E. earth terminal installed and a notice informing us of that.

    It may not be possible to see all the poles and in any event it is possible that none of them has an earth.

     

     

    You can't miss 'em Chris. They are big wooden things that rise vertically up like a high tree trunk with cables on the top. 

    Vss P.M.E. head…

     

    Z.

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