International Electrotechnical Commission
Glossary

ENsupplementary insulation 
independent insulation applied in addition to basic insulation, for fault protection

TC/SC:82Terms     Info     Publications
Published in:IEC 62257-7-1, ed. 2.0 (2010-09) Terms     Info
Reference number:3.46
Source:IEC 60050-195:1998, 195-06-07
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