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Industrial electricity

Grounding Cable Installation

Edher

hace 5 años

Good morning. My doubt is the following, I need to know if a grounding cable can be installed 1.5 meters deep from the level of the finished ground, because in several projects they ask me at least 60 cm deep, but they never speak to me until maximum depth I can bury the grounding wire

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elektomaq

62.202

hace 5 años

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hace 5 años

The regulatory depth of underground laying is 70 cm but it better explains what the intention is to install it at 1.5 m Known the intention my opinion would be to refrain from doing such a thing (take advantage of excavations of other services) The main reason is that it cannot be ensured that in the future it will not be re-excavated, possibly causing breakage of the system or electrical accidents to operators, in this case the problem is not due to depth but to proximity to another service. Cheers

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servimat1

138.835

hace 5 años

Hi. Deep installations or with extensible javelins are used when the resistivity of the ground or its poor quality does not make or a good measurement is not achieved. If it is on physical ground with a good javelin of 1.40 mt the measurements are achieved. Cheers

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elektomaq

62.202

hace 5 años

Hi
The question refers to the depth of the cable, not that of javelins

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Edher

hace 5 años

Correct what happens is that I want to take advantage of an excavation that was carried out for the installation of a pipe and how they are rushing us with the grounding installation, I need to know if there is any problem if I install the grounding wire at that depth.

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elektomaq

62.202

hace 5 años

I give you my opinion editing my answer

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rafaeldp

hace 5 años

The distance at which the horizontal electrodes are entered is given by the same terrain looking for layers of lower resistance and thus lower the resistance of the earth mesh. The layers are detected by carrying out a study of the resistivity of the ground by whatever method and when projecting the grounding system depending on the resistance to be reached, it is decided at what depth to find them, if vertical electrodes must be placed and if there is to use chemical products to obtain the desired value. In conclusion the burial depth depends on the terrain

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nastor

17.232

hace 5 años

Hi You should know that it is always difficult to have a good ground discharge with shallow javelins, on the contrary, the deeper this is, the better (this on equal ground conditions). Cheers

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