专家解读视频
Defines requirements for the protective provisions relative to electrical safety in fixed installations associated with a.c.- and d.c.-traction systems and to any installations possibly endangered by traction power supply system. Also applicable to all fixed installations necessary for ensuring electrical safety during maintenance work within electric traction systems.
NF EN 50122-1:1999 - Identical
DIN EN 50122-1 (1997-12) - Identical
BS EN 50122-1:1998 - Identical
NEN EN 50122-1:1997 - Identical
SN EN 50122-1:1997 - Identical
NEN EN 50122-1:2011 - Identical
SN EN 50122-1:2011 - Identical
I.S. EN 50122-1:1997 - Identical
UNE EN 50122-1:1999 - Identical
SS EN 50122-1:1997 - Identical
