Core Identification
For power and control cables up to 5 cores, the cores are identified by different
colors, as per IS - 1554.
CORES
|
COLOR COMBINATION
|
Single
|
Red, Black, Yellow or Blue
|
Two
|
Red, Black
|
Three
|
Red, Yellow, Blue
|
Four
|
Red, Yellow, Blue and Black
|
Five
|
Red, Yellow, Blue, Black and Grey
|
Identification for Cables having more than 5 Cores
Where the Number of cores exceed 5, two adjacent cores are blue for reference and
yellow for direction in each layer. The remaining cores in each layer are Grey.
On specific request we can also provide core numbering for control cables.
Cable Core
The cable core is formed by assembling the required number of elements, which are
laid concentric layers as necessary.
Sheath
The Laid core is sheathed with black PVC or specified color.
Armour (SWA)
A further protective covering can be provided by the application of Galvanized steel
wires/strips and Black PVC over sheath, or specified color.
Cable Code
The following code is used for easy identification :
SR. NO.
|
CODE
|
DESCRIPTION
|
1
|
A
|
Aluminium conductor
|
2
|
Y
|
PVC Insulation
|
3
|
W
|
Steel round wire armour
|
4
|
F
|
Steel strip armour
|
5
|
YY
|
PVC insulated and PVC sheathed
|
6
|
WW
|
Steel double round wire armour
|
7
|
FF
|
Steel double strip armour
|
8
|
Y
|
PVC outer sheath
|