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Underground Cable Detection - Locating old cables

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  • 20-04-2024 2:05pm
    #1
    Registered Users Posts: 10,806 ✭✭✭✭


    Maybe someone can shed some light on this.

    I have a lot of underground electrical cables running from the home house here to 2 farm sheds. I want to find the location of one of these cables to connect up an existing water well to supply the farm. I hired out an underground cable detector, a "Leica DD120".

    Now, I can find all the more recent cables, even in some places where they are under concrete. The one older cable, that I'm looking for, is proving impossible to detect. It's maybe 50 years old and someone suggested that maybe it has lead wire surrounded the inner wires. Could this be the reason?

    The wire is really stiff to bend. Even when I move the detector around where I see the cable coming up from the ground - no beeps.

    Also, the electrician who replaced the electrical box in the shed, bonded the outer wires to ground. Could this be the reason?

    By the way, I had the radio on in the shed during all this, so deffo current in the cable.

    (I also posted this on the Electrical forum.)


    'If I ventured in the slipstream, Between the viaducts of your dream'



Comments

  • Registered Users Posts: 880 ✭✭✭Aravo


    The detector should have come with an induction box aswell. The induction box can be placed over the cable or wrapped around the cable you have found in one location and then you can follow this cable using the induction setting. By rights persons need to have CSCS card to word these things properly.



  • Registered Users Posts: 340 ✭✭lmk123


    Get a CAT & Genny. If you want to do it yourself watch a few YouTube videos. It wouldn’t be easy to write a good description here on how to use them. To be honest I’d advise you to get someone that’s experienced with it. I’ve been using them 13 years now and done the training a few times and there is a knack with them. When used properly you can even find / trace some pipes so there wouldn’t be any issues tracing your cables. Ask a few local builders, pay someone it’d be cheaper and safer than hitting a cable.



  • Registered Users Posts: 10,806 ✭✭✭✭patsy_mccabe


    Found the old cable today. Found it where, there was a faint beep with the detector. It's running through a neighbours site and comes back into our place again. At least I know where it is now so can tap into it.

    'If I ventured in the slipstream, Between the viaducts of your dream'



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