ВВГЭгнг(А)-ХЛ (VVGEgng(A)-KhL) – Russian analogue of NAY(F)Y Cold Resistance Flame Retardant
SCOPE AND PURPOSE
The cables are designed for transmission and distribution of electric energy in stationary electric installations on alternating voltage 0,66 and 1 kV and frequency 50 Hz or direct voltage 1 and 1.5 kV correspondingly with the possibility of installation without preheat at temperature up to -30o C.
The cables are used for group installation in cable lines in cable constructions, open-air electrical installations (cable overpasses, arcades).
Shielded cables are used when it is necessary to protect the electric chains from influence of external electric fields.
While manufacturing the cables the materials, which allow the cables to be resistant to ambient low temperatures up to – 600C (degrees below zero)as well as water blocking materials, which provide resistance to longitudinal water penetration and install of the cables in wet conditions are used.
The class of fire hazard of the cables according to GOST 31565 of cables of modification «ng (À)–KhL» - П1б.22.214.171.124.
Copper, single-wire or multi-wire core, of circular or sector-shaped form, of the 1 or 2 class according to GOST 22483 with the cross-section from 1.5 to 1000 mm2.
PVC-compound of low flammability (color coded conductor).
Insulated conductors of 2, 3, 4, 5 and 6 core cables twisted in cable core with water blocking elements.
PVC-compound of low flammability is manufactured with the filling of exterior gaps between insolated conductors.
Copper tapes or copper wires and taping with a copper tape.
Tapes of water-blocking material in the form of a coil on top of the screen.
Cable sheath or jacket
PVC-compound of low flammability.
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