NF C33-030:1999 Insulated cables and their accessories for power systems. Joint equipment for overhead-underground connections between bundle assembled cores and underground cables, of rated voltage 0,6/1 kV.
2013NF C33-030:2013 Insulated cables and their accessories for power systems - Joint equipment for overhead-underground connections between bundle assembled cores and underground cables 0,6/1 kV
1999NF C33-030:1999 Insulated cables and their accessories for power systems. Joint equipment for overhead-underground connections between bundle assembled cores and underground cables, of rated voltage 0,6/1 kV.