scope:

This standard states a set of rules that shall be applied in the design and manufacture of electrical installations and equipment to be used on rolling stock so as to protect the persons from Electric Shocks. The methods used to satisfy the rules may be different, according to the procedures and practices of the operating organization. This standard is applicable to vehicles of rail transport systems, road vehicles powered by an external supply (trolley buses), magnetic levitated vehicles and to the electrical equipment installed in these vehicles.