ONORM E 2701-1985 Provision for stand-by connections for the power supply over 5 kVA up to 80 kVA of important consumers by mobile stand-by units in case of failing of the electricity supply; marking of conformity
1985ONORM E 2701-1985 Provision for stand-by connections for the power supply over 5 kVA up to 80 kVA of important consumers by mobile stand-by units in case of failing of the electricity supply; marking of conformity