
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:International Electrotechnical Committee

专家解读视频
Describes 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.
GOST IEC 61557-4 : 2013 - Identical
SAC GB/T 18216.4 : 2012 - Identical
NEN EN IEC 61557-4 : 2007 - Identical
DS EN 61557-4 : 2007 - Identical
DIN EN 61557-4 : 2007 - Identical
CEI EN 61557-4 : 2008 - Identical
UNE EN 61557-4 : 2007 - Identical
I.S. EN 61557-4:2007 - Identical
PN EN 61557-4 : 2007 - Identical
VDE 0413-4 : 2007 - Identical
NF EN 61557-4 : 2007 - Identical
SN EN 61557-4 : 1997 - Identical
BS EN 61557-4 : 2007 - Identical