IEC Standards <br/><br/>
IEC 60587 ED. 3.0 B:2007: ELECTRICAL INSULATING MATERIALS USED UNDER SEVERE AMBIENT CONDITIONS - TEST METHODS FOR EVALUATING RESISTANCE TO TRACKING AND EROSION 

 -  IEC  2019-09-13 
<br/><br/><label>Dewey Class. No.: </label>621.3  / IEC