Ревидиран
Specifies requirements for equipment for measuring the resistance
of earth conductors, protective earth conductors and conductors for
equipotential bonding including their connections and terminals.
ПОВУЧЕН
IEC 61557-4:1997 ED1
99.60
Повлачење ступило на снагу
29. 1. 2007.
ПОВУЧЕН
IEC 61557-4:2007 ED2