PROCESS DESCRIPTION :-
 
Wire Drawing : Wire to be drawn of required size on Wire Drawing Machine.
Annealing : Drawn Copper wires are further simultaneously annealed.
Stranding : Required conductor size to be manufactured with specified design on Stranding Machine
Insulation : Conductor to be Insulated with XLPE / PVC / HDPE as per required specification
Core Rewinding & Curing : Cores to be Spark tested, rewound & cured with specific requirements
Inner Sheathing : To be done with required specification on Sheathing Line.
Armouring : To be done with required specification on Armouring Machine.
Outer Sheath : To be done with required specification on Sheathing Machine.
Rewinding & Testing : All cables are rewound on steel / wooden drums as per customer's requirement & tests are carried-out as per required specification.
Packing : All tested and passed cables are packed and marked in required sized drums prior to dispatch.

 

TYPICAL EXAMPLES OF DESIGN  &  CONSTRUCTION :-

 

Conductor :
EC grade Aluminium
Insulation :
XLPE / PVC type A or C
Inner Sheath :
Extruded / Taped
Armour :
Galvanised steel strip / wire
Outer Sheath :
PVC type ST1 or ST2
For dimensional details see
table.

IS Specification

8130


5831


5831


3975


5831

Conductor :
High Conductivity grade
copper
Insulation :
XLPE / PVC type A or C
Inner Sheath :
Extruded / Taped
Armour :
Galvanised steel strip / wire
Outer Sheath :
PVC type ST1 or ST2
For dimensional details see
table.

Power Cable Steel Strip Armoured Control Cable Steel Strip Armoured

 

CLASSIFICATION OF PVC COMPOUND :-
 
Type A C ST1 ST2
Application Insulation Insulation Sheath Sheath
Max. Conductor Temp. 70 0C 85 0C 70 0C 90 0C

 

CORE IDENTIFICATION :-

For power cables and control cables up to 4 cores, the cores are identified by different colours as per IS 1554 : part-1 / 1988
Single core : Red, Black, Yellow or Blue
2 core : Red and Black
3 core : Red, Yellow and Blue
3 : Red, Yellow, Blue & reduced neutral core in Black
Where the number of cores exceeds 5, core shall be identified by numbers. On specific request we can also provide core, two adjacent cores are Blue for reference and Yellow for direction in each layer. The remaining cores in each layer are grey.

 
PRODUCT  CODES :-

As per IS : 1554 (Part-1) & 7098 (Part-1), the product is coded by alphabets :
Aluminum A
PVC Insulation Y
XLPE Insulation 2X
Steel round wire armour W
Steel strip armour F
PVC outer sheath Y
Steel double round wire armour WW
Steel double strip armour YY
Non-magnetic round wire armour Wa
Non-magnetic flat strip armour Fa
No abbreviation is used for copper, the product code is stenciled on the drum flange's surface.