International Electrotechnical Commission
Glossary

ENprotective impedance 
component, assembly of components or the combination of basic insulation and a current or voltage-limiting device, whose impedance, construction and reliability are such that, when connected between accessible conductive parts and parts which are hazardous live, it provides protection to the extent required by this standard in normal condition and single fault condition

TC/SC:82Terms     Info     Publications
Published in:IEC 62109-1, ed. 1.0 (2010-04) Terms     Info
Reference number:3.75

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