Describes two test methods (constant tracking voltage and stepwise tracking voltage) for the evaluation of electrical insulating materials for use under severe ambient conditions and power frequencies (48 Hz to 62 Hz) by measurement of the resistance to tracking and erosion. Has the status of a basic safety publication in accordance with IEC Guide 104.
Number of pages: 28
Date of approval: 2016-11-24
International relationships: HD 380 S2:1987 IDTIEC 60587:1984 IDT