Tinned Copper Conductor XLPE Insulated Tinned Copper Wire Braiding Shielded 66kv DC Cable

CONSTRUCTIONAL FEATURES 

Conductor 
Tinned copper wire upto 1000 sq mm will be circular compacted & stranded and shall comply with IEC-60228 Class 2. 

Conductor screen 
This will be an extruded layer of semi conducting material applied under simultaneous triple extrusion process over the conductor along with the insulation and the insulation screen. 

Insulation 
TPE Insulation. 

Insulation screen 
Tinned Copper Wire

Insualtion
TPE Insulation

Insulation screen
Tinned Copper Wire

Inner sheath
PVC 

Inner sheath
TPE

Separator sheath

Metallic screen 
Tinned copper braiding

Outer sheath 
An extruded layer is applied over the armour in case of armoured cables and over the laid up cores in case of unarmoured cables. Outer sheath material can be either PVC of grade ST2 or PE of grade ST7 as per IEC-60502 Part 2.