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Earth Electrode Concern.

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I was working in a large back garden today. The garden shed was connected to an old caravan supply (caravan gone) and the underground S.W.A. cable from the house had been  converted to TT earthing originally for the caravan and now for the shed sockets and lighting. As an earth electrode somebody had used a length of  10mm galvanised threaded rod (studding). What are your views about its suitability please?


Z.
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  • 0
    8ecb1e374964e4ed019c8c20cb04bfc2-huge-20180704_170505.jpg

    I tried watering a 3.6 metre rod I had knocked in, it went from 27.69 ohms to 25.05 ohms after having a hose pipe on it until the pit flooded. 

    So that is three sections of rods and wet, one section on it own was 584 ohms.

    Depth makes more difference than water. 

    Andy
Reply
  • 0
    8ecb1e374964e4ed019c8c20cb04bfc2-huge-20180704_170505.jpg

    I tried watering a 3.6 metre rod I had knocked in, it went from 27.69 ohms to 25.05 ohms after having a hose pipe on it until the pit flooded. 

    So that is three sections of rods and wet, one section on it own was 584 ohms.

    Depth makes more difference than water. 

    Andy
Children
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