IEC 62498-2 Ed. 1.0 b:2010

IEC 62498-2:2010 deals with the environmental influences on fixed electrical installations for traction power supply and equipment essential to operate a railway:
- in open air;
- in covered areas;
- in tunnels;
- within enclosures placed in the above-mentioned areas.
Such influences include altitude, temperature and humidity, air movement, rain, snow, hail, ice, sand, solar radiation, lightning, pollution, vibration, shocks, EMC and earthquakes.