KS C IEC 61557-4:2013 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
This standard covers earthing conductors, protective earthing conductors and equipotentials, with indications or limits of measured values.
KS C IEC 61557-4:2013 history
2023KS C IEC 61557-4-2023 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
0000 KS C IEC 61557-4-2013(2018)
2013KS C IEC 61557-4:2013 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