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ПвЭБВнг-20 3x70
ТУ У 31.3-00214534-017-2003
Three-core power cables with copper conductors, flame-retardant, with XLPE, steel-tape armoured, with PVC compound outer sheath
* CONSTRUCTION:
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Copper multiwire compact conductor  
2Inner extruded semiconducting layer  
3XLPE insulation  
4Outer extruded semiconducting layer  
5Lapping layer of semiconductive swellable tape  
6Copper screen  
7Extruded filling of PVC compound  
8Double galvanized steel-tape armour  
9Low flammable PVC compound outer sheath  

Notes:

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Conductor twisting is not illustrated

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It is possible to manufacture cable with sealed conductors.