EN-50122-2 Complete Document History
Railway applications - Fixed installations - Electrical safety, earthing and the return circuit - Part 2: Provisions against the effects of stray currents caused by d.c. traction systems

Complete Current Edition:
   2010 EDITION - ONLY AVAILABLE IN NATIONAL EDITIONS - Oct. 15, 2010

Obsolete Revision Information:
   1998 EDITION CORRIGENDUM - ONLY AVAILABLE IN NATIONAL EDITIONS - Aug. 1, 2001
   1998 EDITION - ONLY AVAILABLE IN NATIONAL EDITIONS - Jan. 1, 1998