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IEC 60331-21-ed.1.0
Tests for electric cables under fire conditions - Circuit integrity - Part 21: Procedures and requirements - Cables of rated voltage up to and including 0,6/1,0 kV
STANDARD published on 28.4.1999
The information about the standard:
Designation standards: IEC 60331-21-ed.1.0
Publication date standards: 28.4.1999
SKU: NS-409572
The number of pages: 19
Approximate weight : 57 g (0.13 lbs)
Country: International technical standard
Category: Technical standards IEC
The category - similar standards:
Ignitability and burning behaviour of materials and productsElectrical engineering in generalCables
Annotation of standard text IEC 60331-21-ed.1.0 :
IEC 60331-21:1999 Specifies the test procedure and gives the performance requirement, including a recommended flame application time, for cables of rated voltages up to and including 0,6/1,0 kV required to maintain circuit integrity when subjected to fire under specified conditions. Describes the means of sample preparation, continuity checking arrangements, electrical testing procedure, method of burning cables and gives requirements for evaluating test results. It is intended to cover low voltage power cables and gives requirements for evaluating test results. IEC 60331-21:1999 Specifie la procedure dessai et donne la prescription de comportement, incluant une recommandation pour la duree dapplication de la flamme, pour les cables de tension assignee jusqua et y compris 0,6/1,0 kV devant conserver lintegrite du circuit lorsquils sont soumis a un incendie dans des conditions specifiees. Decrit les moyens de preparation des echantillons, les dispositifs de controle de la continuite, la procedure dessai electrique, la methode pour bruler les cables et indique les prescriptions pour evaluer les resultats dessai. Elle concerne les cables denergie basse tension et les cables de controle ayant une tension assignee.
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