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Norm

OVE EN IEC 61557-4

Issue date: 2023 01 01

Electrical safety in low voltage distribution systems up to 1 000 V AC and 1 500 V DC - Equipment for testing, measuring or monitoring of protective measures - Part 4: Resistance of earth connection and equipotential bonding (english version)

This part of IEC 61557 specifies the requirements applicable to equipment for measuring the resistance of earth conductors, protective earth conductors and conductors fo...
Valid
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 an indication of the limits.
OVE EN IEC 61557-4
2023 01 01
Electrical safety in low voltage distribution systems up to 1 000 V AC and 1 500 V DC - Equipment fo...
Norm
ÖVE/ÖNORM EN 61557-4
2008 02 01
Electrical safety in low voltage distribution systems up to 1 000 V AC and 1 500 V DC - Equipment fo...
Norm
ÖVE EN 61557-4
1997 04 16
Electrical safety in low voltage distribution systems up to 1 kV a.c. and 1,5 kV d.c. - Equipment fo...
Technische Regel