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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 1.9.2001
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Designation standards: STN IEC 60331-21
Classification mark: 347021
Catalog number: 82911
Publication date standards: 1.9.2001
SKU: NS-542565
The number of pages: 10
Approximate weight : 30 g (0.07 lbs)
Country: Slovak technical standard
Category: Technical standards STN
Norma STN IEC 60331-21 špecifikuje skúšobný postup a požiadavky na vykonanie skúšky (vrátane odporúčaného času aplikácie plameňa) káblov na menovité napätie do 0,6/1,0 kV vrátane, ktoré sú určené na zabezpečenie celistvosti obvodu, keď sú vystavené pôsobeniu ohňa za predpísaných podmienok.
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