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XLPE Cable Structure and application
Application:
Power cables for power networks, underground, outdoors and in cable ducting. In particular for installation where fire, smoke emission and toxic fumes create a potential threat.
Standards:
BS7835
Conductor:
Class 2 stranded plain copper conductor to BS EN 60228:2005 (previously BS6360)
Conductor screen:
Semi-conducting material
Insulation:
XLPE (Cross-Linked Polyethylene) Type GP8 to BS7655
Insulation Screen:
Semi-conducting material
Metallic Screen:
Individual and overall copper tape screen to BS6622
Filler:
PETP (Polyethylene Terephthalate) fibres
Separator:
Binding tape
Bedding:
LSZH (Low Smoke Zero Halogen)
Armouring:
Single Core: Aluminium Wire Armoured (AWA)
MultiCore: Steel Wire Armoured (SWA)
Sheath:
LSZH (Low Smoke Zero Halogen)
Colour:
Red or Black
Voltage Rating:
6350/11000V
Temperature Rating:
0°C to +90°C
Combustion Characteristics:
Oxygen index: 35
Temperature index: 280°C
HCL emission: 0.5% in accordance with BS EN 50267-2-1
Low smoke classification based on 3 metre cube test
Completed cables comply with the requirements of fire test BS4066-3 Category 3
Minimum Bending Radius:
Single Core: 15 x overall diameter
Three Core: 12 x overall diameter
(Single Core 12 x overall diameter and 3 core 10 x overall diameter where bands are positioned adjacent to joint or terminations provided that the bending is carefully controlled by the use of a former)