Tuesday, January 10, 2012

Power and Control Cables


POWER / CONTROL CABLES


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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