
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
出版:Nederlands Normalisatie Instituut

专家解读视频
Defines 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.
IEC 61557-4 Ed. 2.0 - Identical