International Standards and Conformity Assessment for all electrical, electronic and related technologies
Electrical equipment and systems for railways
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Are intended to define the conditions which resistors should satisfy, the tests to check that the conditions are in fact satisfied, and the descriptive marking to be applied on the rated plate of the resistors.
IEC 60322:1970 ED1
Rules for ohmic resistors used in the power circuits of electrically powered vehicles
Revised By - IEC 60322:2001 ED2