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Discuss TT Earth system tester in the Electrical Tools and Products area at ElectrciansForums.co.uk.

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  1. Prytaneion
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    Prytaneion EF Member

    Location:
    Bognor Regis, UK
    I have to install a TT Earth Rod on a rural new installation. Can some kind sparky please point me in the direct of a hire company that will hire out a tester? My old megger 1502 won't do this and as there is no power on site at the moment, I need a battery powered tester for Ze.
     
  2. essex
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    essex Forum Mentor

    Location:
    Wiltshire
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  3. rolyberkin
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    rolyberkin Electrician's Arms

    Location:
    Chelmsford
    Is there not another local sparky who will tip out to do it for you for a few beer tokens? I can be bought for a couple of decent bottles of red but not as far away as Bognor!:)
     
  4. Fitzy
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    Fitzy Newly Qualified Sparky

    Location:
    Redhill
    Business Name:
    DF Electrical Services
    The kewtech KT65 does earth rod testing, check if any of your mates have one of these MFT.
     
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  5. Prytaneion
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    Prytaneion EF Member

    Location:
    Bognor Regis, UK
    I'll ask around but since forced retirement through ill health, I've lost touch with a lot of my mates in any case. the KT65 is a bit up market for them!!
     
  6. Prytaneion
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    Prytaneion EF Member

    Location:
    Bognor Regis, UK
    Hi Roly - The job is a rural site near Bath so travel is a problem from here. I might just bite the bullet and hit ebay... :)
     
  7. Flanders
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    Flanders Regular EF Member

    Location:
    Tamworth
    Just to confirm you will nead an Ra tester not a ze tester as there is no Ze on a TT system ☺
     
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  8. Prytaneion
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    Prytaneion EF Member

    Location:
    Bognor Regis, UK
    Hi Flanders (Whoo-Hoo) - Ra it is - my mistake... :0)
     
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  9. essex
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    essex Forum Mentor

    Location:
    Wiltshire
    Yes there is.
     
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  10. rolyberkin
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    rolyberkin Electrician's Arms

    Location:
    Chelmsford
    I had a similar job and bought a megger det3tc from ebay a while back and used it once! However I have got another job coming up in 2019 where I will use it again!
     
  11. Prytaneion
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    Prytaneion EF Member

    Location:
    Bognor Regis, UK
    Hi Roly, yes mate, I have a similar problem but today I have found a local sparks who will test the earth rod (s) actually there are two 2M rods - for fifty quid so I'll probably go with this option. TT systems are a pain in the butt, however, because they are what they are, it's imperative to get it right. Thanks for the chat though...
     
  12. Flanders
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    Flanders Regular EF Member

    Location:
    Tamworth
    I have always thought Ze was the external earth loop resistance back to the transformer if there is no supply earth how do you get a Ze reading , or am I missing something ?
     
  13. Prytaneion
    Offline

    Prytaneion EF Member

    Location:
    Bognor Regis, UK
    The loop back to the star point on the transformer is through an earthing rod or rods. About 2 metres worth of copper beaten into the ground or tape etc.
    upload_2018-11-16_14-44-23.jpeg

    upload_2018-11-16_14-43-45.jpeg
     
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  14. Prytaneion
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    Prytaneion EF Member

    Location:
    Bognor Regis, UK
  15. Flanders
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    Flanders Regular EF Member

    Location:
    Tamworth
    Thanks very much now it make sense .
     
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