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Sizing of an earth electrode according to NF C15-100
In accordance with NF C15-100, the quality of an earth connection (resistance as low as possible) is above all a function of two factors: - The method of realization, - The nature of the soil (resistivity). Resistivity can be measured by the WENNER method with 4 stakes. According to the NF C15-100 I reported the average resistivity values in the application to make a calculation approximate ground connections. To be more precise you can measure this resistivity and report your measurement in "Other value". In this application are represented all the embodiments of current use. You will find there: - The naked rectilinear conductor - The earth stake - The vertical plate - The horizontal grid - The loop at the bottom of the excavation The best solution in the mode of realization and the most widespread is the loop at the bottom of the excavation. For each embodiment, you can also go to a merchant site in order to have visibility on the type of products to be used and the price. I have also provided you with measuring devices allowing you to measure the resistivity and resistance of the ground. Works offline. For more information, check out my website. https://sites.google.com/view/electricitepourchacun