BS EN 50122-1:2011+A4:2017
Railway applications. Fixed installations. Electrical safety, earthing and the return circuit. Protective provisions against electric shock
https://doi.org/10.3403/30160533 (published 31/05/2011)
BS EN 50122-1:2011+A4:2017 is maintained by GEL/9/3. This standard is available from the following sources:
Other historical versions of this standard document also exist:
- BS EN 50122-1:2022 [current until 03/11/2022]
- BS EN 50122-1:2011+A3:2016 [current until 28/02/2017]
- BS EN 50122-1:2011+A2:2016 [current until 30/11/2016]
- BS EN 50122-1:2011+A1:2011 [current until 31/01/2016]
- BS EN 50122-1:2011+A1:2011 [current until 03/06/2013]
- BS EN 50122-1:2011+A1:2011 [current until 31/12/2012]
- BS EN 50122-1:1998 [current until 31/05/2011]
- BS EN 50122-1:1998 [current until 29/02/2008]