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IEC 61557-4

2nd Edition, January 1, 2007

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Electrical safety in low voltage distribution systems up to 1 000 V a.c. and 1 500 V d.c. – Equipment for testing, measuring or monitoring of protective measures – Part 4: Resistance of earth connection and equipotential bonding

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This part of IEC 1557 specifies the requirements applicable to equipment for measuring the resistance with an indication of the measured value or indication of limits for the purpose of measuring the resistance of earth conductors, protective earth conductors and conductors for equipotential bonding including their connections and terminals.