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Article | REF: R1040 V2

Electrical safety testers

Authors: André LECONTE, Bernard KANTOROWSKI

Publication date: December 10, 2004 | Lire en français

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    5. Loop resistance measurement

    5.1 Purpose of the measurement and principles of the methods used

    There are three main applications for loop resistance measurements:

    • indirect measurement of a local land ;

    • evaluation of a short-circuit current ;

    • measurement of an earth connected to an earth network.

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    5.1.1 Local ground measurement

    The schematic diagram of the measurement is shown in figure

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