Document for Comments on survey of graphical symbols for use on equipment standardised by Product Committee but not registered in IEC 60417, Project PWI 3C-1

Survey and call for experts and project leader - EN 50311: Railway applications - Rolling stock - D.C. supplied electronic ballasts for lighting fluorescent lamps

Survey and call for experts and project leader - EN 50329: Fixed installations - Traction transformers

Survey and call for experts and project leader - EN 50345: Railway applications - Fixed installations - Electric traction - Insulating synthetic rope assemblies for support of overhead contact lines

Survey and call for experts and project leader - TR 50488: Railway applications - Safety measures for the personnel working on or near overhead contact lines

Survey and call for experts and project leader - TS 50502: Railway applications - Rolling stock - Electric equipment in trolley buses - Safety requirements and connection systems

Survey and call for experts and project leader - TS 50534: Railway applications - Generic system architectures for onboard electric auxiliary power systems

Survey and call for experts and project leader - TS 50535: Railway applications - Onboard auxiliary power converter systems

Survey and call for experts and project leader - TS 50537-1: Railway applications - Mounted parts of the traction transformer and cooling system - Part 1: HV bushing for traction transformers

Survey and call for experts and project leader - TS 50537-2: Railway applications - Mounted parts of the traction transformer and cooling system - Part 2: Pump for insulating liquid for traction transformers and reactors