The standard gives the requirements for protective provisions regarding electrical safety in fixed installations, which are connected with alternating and/or direct current railway power supply systems and in all installation which can be endangerded by power supply systems of electric railways. It includes also all fixed installations which are neccessary to provide electrical safety during maintenance work at electric railway power supply systems.
German version of the European standard EN 50122-1:2011 + A1:2011.
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