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About This Item

 

Full Description

This part of IEC 61557 specifies the requirements applicable to equipment for measuring the resistance of earth conductors, protective earth conductors and conductors for equipotential bonding, including their connections and terminals, with an indication of the measured value or indication of limits. This second edition cancels and replaces the first edition published in 1997. This edition constitutes a minor revision.
 

Document History

  1. IEC 61557-4 Ed. 3.0 b:2019


    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

    • Most Recent
  2. IEC 61557-4 Ed. 2.0 b: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

    • Historical Version
  3. IEC 61557-4 Ed. 1.0 b:1997


    Electrical safety in low voltage distribution systems up to 1000 V a.c. and 1500 V d.c. - Equipment for testing, measuring or monitoring of protective measures - Part 4: Resistance of earth connection and equipotential bonding

    • Historical Version