Voltage Grade
|
-
|
Upto
1100 V
|
Cores
|
-
|
Single
/ Multicore
|
Conductor
|
-
|
Electrolytic
grade copper Bare / Tinned, Solid / Stranded / Flexible conductors.
|
Range
|
-
|
Single
Core 1.5 to 400 Sq.mm, Multi Core upto 50 Sq.mm, 1.5 Sq.mm & 2.5 Sq.mm.
upto 61 Cores.
|
Primary Insulation
|
-
|
General
Purpose PVC / Hear Resistant PVC / LDPE / XLPE / LSF /PTFE / Fibre Glass.
|
Inner Sheathing
|
-
|
PVC
/ HRPVC / FR PVC / FRLS PVC / ZHFR / LSF / Fibre Glass
|
Armouring
|
-
|
GI Round Wire / Flat strip.
|
Outer Sheathing
|
-
|
General
purpose PVC / HRPVC / FRLS PVC / ZHFR
|
Standards
|
-
|
IS
- 694, IS – 1554 (Part-I), IS-7098 (Part-I) & IEC 60502-1, IEC-60332.
|
CORE
Identification
Cores shall be identified by different colours of PVC
insulation. Following colour scheme shall be adopted -
|
||
1 Core
|
-
|
Any
Single colour.
|
2 Cores
|
-
|
Red
and Black.
|
3 Cores
|
-
|
Red,
Yellow & Blue.
|
4 Cores
|
-
|
Red,
Yellow, Blue & Black.
|
5 Cores
|
-
|
Red,
Yellow, Blue, Black & Grey.
|
6 Cores and above
|
-
|
Two
adjacent cores (counting and direction core) in each layer, Blue And Yellow,
remaining cores Grey.
|
In addition to these, combinations from the following colours can also be offered - Red, Black, Blue, Green, Grey, Orange, Violet, White, Yellow. Alternately, any single colour insulation on all cores with number printing can also be provided. |
Designation
Code
Y
|
--
|
PVC
insulation
|
W
|
--
|
Steel
round wire armour
|
F
|
--
|
Steel
strip armour
|
WW
|
--
|
Steel
double round wire armour
|
FF
|
--
|
Steel
strip double armour
|
Y
|
--
|
PVC
outer sheath
|
A
|
--
|
Aluminium
conductor
|
No Abbreviations used when the conductor material is
Copper.
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