International Electrotechnical Commission
Glossary

ENcomparative tracking index (CTI) 
the voltage, as determined under the conditions specified in IEC 60112, that causes a permanent electrically conductive carbon path with the application of 50 drops of electrolyte that is applied at the rate of one drop every 30 s to the specimen

TC/SC:82Terms     Info     Publications
Published in:IEC 62109-1, ed. 1.0 (2010-04) Terms     Info
Reference number:3.10

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