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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Thermocouple Cables


THERMOCOUPLE EXTENSION / COMPENSATING LEADS CABLES


Voltage Grade
-
Upto 1100 V
Cable Code
-
KX, KX(A), TX, JX, EX, SX /RX, BX, NX, UX, WX
Construction
-
Single or Multiple Pairs
Range
-
16 AWG / 18 AWG / 20 AWG / 20 AWG upto 20 Pair
Primary Insulation
-
General purpose PVC / HEAT RESISTANT PVC / LDPE / XLPE / PTFE / Fibre Glass / XLPE
Screening
-
Individual and / or overall with Aluminium Mylar / Copper Tape or with Tinned, Bare, Nickel Copper / Stainless Steel
Inner Sheath
-
PVC/ HRPVC / FR PVC / FRLS PVC / ZHFR / LSF / PTFE / Fibre Glass / ZHFR.
Armouring
-
GL round Wire / Flat strip
Outer sheath
-
PVC / HRPVC / FR PVC / FRLS PVC / ZHFR / LSF / PTFE / Fibre Glass / ZFHR.
Standards
-
ANSI:MC-96.1, IS-8784, DIN, BS, IEC 584-3 AND IEC-60332
Rip cord
-
For easy removal of sheath.
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Instrumentation Cables



Instrumentation Screened Cables & Thermocouple Compensating Cable

Sl No.

1 Pair X 1.5mm2 Signal Cable
2 Pair X 1.5mm2 Multicore Signal Cable
12 Pair X 0.5mm2Multicore Signal Cable
1 Pair X 1.5mm2 T/C Extn. Cable/
Comp. Cable
6 Pair X 0.5mm2 T/C Extn. Cable/
Comp. Cable
12 Pair X 0.5mm2 T/C Extn. Cable/ Comp. Cable
1 Triad X 1.5mm2 RTD Signal Cable
6 Triad X 0.5mm2 RTD Signal Cable
3 Core X 1.5mm2
Power Cable


(Armoured & Screened)
(Armoured & Screened)
(Armoured & Screened)
(Armoured & Screened)
(Armoured & Screened)
(Armoured & Screened)
(Armoured & Screened)
(Armoured & Screened)
(Unscreened
Armoured )
1.
General Application Std.









BS5308(Part-2)









IS-8130 / 84
Yes
Yes
Yes
Yes and
Yes and
Yes and
IS-8130/84
IS-8130/84
IS-8130/84
IS-5831 / 84



ANSI-MC 96.1
ANSI-MC 96.1
ANSI-MC 96.1



IS-3975 / 88










2.
Voltage Grade (RMS) Volts
660 / 1100 V
660 / 1100 V
660 / 1100 V
660 V
660 V
660 V
660 / 1100V
660 / 1100V
1100 V

3.
Operating Temp. in Deg. C
90
90
90
90
90
90
90
90
90

Numbers of Cores/Pairs / Triad
1 Pair
2 Pair
12 Pair
1 Pair
6 Pair
12 Pair
1 - Triad
6 - Triad
3 core
(A) CONDUCTOR

Material & Standard
Annealed Copper
Annealed Copper
Annealed Copper
+VE Chromel/
Copper/ -VE Alumel/Cu-Ni Alloy
+VE Chromel/ Copper/ -VE Alumel/Cu-Ni Alloy
+VE Chromell/ Copper/ -VE Alumel/Cu-Ni Alloy
Annealed Copper
Annealed Copper
Annealed Copper

Conforming To
IS - 8130/84
IS - 8130/84
IS - 8130/84
ANSI MC. 96.1/ IS : 8784-1987
ANSI MC. 96.1/ IS : 8784-1987
ANSI MC. 96.1/ IS : 8784-1987
IS - 8130/84
IS - 8130/84
IS - 8130/84


Grade
Electrolytic
Electrolytic
Electrolytic
KX / KX(A)
KX / KX(A)
KX / KX(A)
Electrolytic
Electrolytic
Electrolytic


No. of Strand/Dia of each Strand (mm)
48/0.2 OR
7/0.53
48/0.2 OR
7/0.53
16/0.2 OR
7/0.3
1/16 AWG
1/20 AWG
3x22 SWG
1/16 AWG
1/20 AWG
3x22 SWG
1/16 AWG
1/20 AWG
3x22 SWG
48/0.2 OR
7/0.53
16/0.2 OR
7/0.3
48/0.2 OR
7/0.53


Pair Identification (by Number markings on Cores at an interval of 250 mm or by number tape on each Core)
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes


Form of Conductor
Round
Round
Round
Round
Round
Round
Round
Round
Round


Area of Cross Section
(sq. mm)
1.5
1.5
0.5
1.5
0.8 OR 1.5
0.8 OR 1.5
1.5
0.5
1.5


Insulation Resitance at 20oC Meg. Ohms/Km (min.)
100
100
100
100
100
100
100
100
100


Inductance (Max)
Millnry/Km
0.9
0.9
0.9
0.9
0.9
0.9
0.9
0.9
N.A.


L/R Ratio (Max)
Microhenry/Km
40
40
25
40
25
25
40
25
N.A.

Communication Pair
NO
NO
YES
NO
YES
YES
NO
YES
NO
(B) INSULATION

Insulation PVC Type-A or C 0.6mm nominal thickness to IS-5831/84
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
yes


Colour Code BS:5308(Part-2) or ANSI or IS:8784
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
yes
Tolerance on drum length (+/-5%)
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Bending Radius 12 X 0.0
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
(C) SCREENING / SHIELDING (individual + overall) for multi pair

Material
Aluminium Backed Mylar Tape
Aluminium
Backed Mylar Tape
Aluminium
Backed Mylar Tape
Aluminium
Backed Mylar
Tape
Aluminium
Backed Mylar
Tape
Aluminium
Backed Mylar
Tape
Aluminium
Backed Mylar
Tape
Aluminium
Backed Mylar
Tape
N.A.


Percentage Coverage
100%
100%
100%
100%
100%
100%
100%
100%
N.A.


Overlap %
25%
25%
25%
25%
25%
25%
25%
25%
N.A.


Thickness (mm) min. 0.05
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
N.A.
(D) INNER SHEATH

Material PVC / HR PVC FRLS
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes


Type & Standard to which IT conforms
IS-5831/84, ASTM, IEEE
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes


Extruded (Yes)
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes


Thickness Min. (mm)
0.3
0.3
0.3
0.3
0.3
0.3
0.3
0.3
0.3


Colour BS: 5308(Part-2)
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Black


Ripchord shall be provided
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
(E) ARMOURING

Material &Type of Armour
(Galvanised Steel Wire / Strip)
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes


Standard to which it conforms IS-3975/88
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes


Size
0.9 mm
0.9 mm
4x0.8 mm
0.9 mm
4x0.8 mm
4x0.8 mm
0.9 mm
4x0.8 mm
1.4 mm


Direction (Left Hand)
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
(F) OUTER SHEATH

Material :
PVC / HR PVC / FRLS
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes


Type & Standard to which it conforms
IS-5831/84, ASTM, IEEE
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes


Thickness min/nominal (mm)
1.4
1.4
1.8
1.4
1.8
1.8
1.4
1.6
1.4


Colour
Electrical chracteristics
(Reqd. for intrinsic safety)
L. Blue
L. Blue
L. Blue
Brown
Brown
Brown
L. Blue
L. Blue
Black
(G) ELECTRICAL PARAMETER

Conductor Resistance
(DC) max. at 20 Deg. C Ohm/Km for each Core
12.2
12.2
36.6
Loop
0.4 / mtr
0.6 / mtr
Loop
0.4 / mtr
0.6 / mtr
Loop
0.4 / mtr
0.6 / mtr
12.2
36.6
12.2


Mutual Capacitance (Max) p F/Km Between Cores
250
250
75
250
75
75
250
75
N.A.


Between Core to
Screen
400
400
120
400
120
120
400
120
N.A.

(H) CHARACTERISTICS OF FRLS SHEATH :
(A)
Oxygen Index
:
Minimum 29% at Room Temperature when tested as per ASTM-D-2863
(B)
Temperature Index
:
Minimum 250 Deg. C at Oxygen Index when tested as per ASTM-D-2863
(C)
Acid Gas Generation
:
Minimum 20% by weight when tested as per IEC-754 Part-1
(D)
Smoke Density Rating
:
Minimum 60% when tested as per ASTM-D-2843
(E)
Flammability Test

As per IEC 332 Part 1 & 2 / 1979
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