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ROOPA - SINGLE CORE PVC INSULATED COPPER CONDUCTOR (UNSHEATEHED) HEAVY DUTY ELECTRIC WIRES IN VOLTAGE GRADE UPTO & INCLUDING 1100V. FOR HOUSE WIRING
Nominal Cross
Sectional Area
Of Conductor
mm2
Number / Nom.
Dia Of Wires*
(Nome/mm)
Thicknes Of
insulation
(Nom)
mm
Overall
Diameter
Approx.
(mm)
Current
carrying
capacity
Amps
Resistance (Max.)
Per Km. @ 20.C
0.5 16/0.2 0.6 2.2 4 39
0.75 24/0.2 0.7 2.5 7 26
1.0 14/0.3 0.7 2.8 11 18.1
1.5 22/0.3 0.7 3.1 13 12.1
2.5 36/0.3 0.8 3.8 18 7.41
4.0 56/0.3 0.8 4.4 24 4.95
6.0 85/0.3 0.8 5.3 31 3.30

ROOPA - SINGLE CORE PVC INSULATED COPPER CONDUCTOR (UNSHEATEHED) FLEXIBLE CABLE IN VOLTAGE GRADE UPTO AND INCLUDING 1100 V FOR INDUSTRIES
Area in
Sq - Mm
Conductor
Construction in
General
Cond. Dia.
in mm
(Approx.)
Max. DC
Resistance
Ohm/Km at200 C
Insulation
Thickness
in mm nominal
Cables
Dia
(Approx.)
Current
Rating in Amp.
10 140/0.30 4.60 1.910 1.0 6.70 42
16 1010/0.450 5.80 1.15 1.0 8.20 57
25 157/0.45 7.30 0.727 1.2 10.00 71
35 220/0.45 8.70 0.524 1.2 11.30 91
50 314/0.45 10.40 0.387 1.4 13.50 120
70 440/0.45 12.30 0.2720 1.6 15.50 161
95 595/0.45 14.20 0.2060 1.8 18.50 200
120 755/0.45 16.30 0.1610 2.0 20.90 225
150 945/0.45 18.30 0.1290 2.0 22.50 240
185 925/0.50 20.00 0.1060 2.2 24.60 300
240 1221/0.50 23.00 0.0801 2.2 27.60 425
300 1527/0.50 25.70 0.0641 2.4 32.20 475
400 2030/0.50 29.80 0.0486 2.6 35.70 550
500 2540/0.50 33.0 0.0384 2.8 38.00 635
630 3200/0.50 37.50 0.0287 3.0 45.00 725

ROOPA - SINGLE CORE PVC INSULATED COPPER CONDUCTOR (UNSHEATEHED) HEAVY DUTY DOMESTIC STRANDED WIRE IN VOLTAGE GRADE UPTO AND INCLUDING 1100V. AS PER COMPANY'S SPECIFICATIONS
Conductor
Size
Conductor
Area (mm2)
Overall Dia.
Approx. (mm)
Current Rating
(Amps.) Copper
Conductor Resistance
at 200C (Ohms/Km)
3/0.66 or 1/1.13 1 2.60 11 17.7000
3/0.81 or 1/1.38 1.5 2.80 14 11.9000
3/1.06 or 1/.178 2.5 3.40 19 7.1400
7/0.86 or 1/2.25 4 3.85 26 4.4700
7/1.06 or 1/2.76 6 4.40 31 2.9700
7/1.35 or 1/3.57 10 6.05 42 1.7800
7/1.70 16 7.10 55 1.1300
7/2.14 25 8.90 60 0.7120
7/2.52 35 10.00 77 0.5140
19.1.78 50 11.80 102 0.3790
19.2.52 70 13.50 180 0.2620
37/2.03 95 15.80 215 0.1890
37/2.03 120 17.50 240 0.1500
37/2.03 150 19.40 275 0.1220
37/2.52 185 21.70 320 0.0972
61/2.25 240 24.70 380 0.0740
61/2.52 300 27.50 455 0.0590
61/2.85 400 36.70 540 0.0461
61/3.20 500 40.80 625 0.0366
91/2.98 630 44.40 705 0.0283

ROOPA - MULTI CORE PVC INSULATED COPPER CONDUCTOR (UNSHEATEHED) HEAVY DUTY DOMESTIC CABLES IN VOLTAGE GRADE UPTO AND INCLUDING 1100V

CONDUCTOR INSULATION CORE SHEATH THICKNESS
Nominal
OVERALL DIAMETER(APPROX) Nominal APPROX CURRENT RATING
Area Construction No./Dia. Cond. Dia- meter Max. DC Resistance at 20°C Nominal Thickness Dia 2 Core 3 Core 4 Core 2 Core 3 Core 4 Core
Sq.mm mm mm ohm/km mm mm mm mm mm mm mm mm Amps
0.50 16/0.20 0.94 39.0 0.6 2.20 0.90 0.90 0.90 6.20 6.60 7.20 4
0.75 24/0.20 1.20 26.0 0.6 2.50 0.90 0.90 0.90 7.00 7.20 7.90 7
1.0 20/0.25 1.34 18.1 0.6 2.60 0.90 0.90 0.90 7.00 7.50 8.10 11
1.5 30/0.25 1.64 13.30 0.6 2.90 0.90 0.90 1.00 7.60 8.10 9.00 14
2.5 50/0.25 2.10 7.98 0.7 3.50 1.00 1.00 1.00 9.00 9.60 10.50 19
4.0 56/0.30 2.61 4.95 0.8 4.30 1.00 1.00 1.00 10.60 11.30 12.40 26
6.0 84/0.30 3.50 3.30 0.8 5.1 1.15 1.15 1.40 12.60 13.40 15.20 31
10 140/0.30 4.60 1.91 1.0 6.6 1.40 1.40 1.40 16.00 17.00 18.80 42
16 226/0.30 6.00 1.15 1.0 8.0 1.40 1.40 1.40 18.80 20.10 22.20 57
25 157/0.45 7.60 0.727 1.2 10.0 2.00 2.00 2.00 24.00 25.60 28.20 71
35 220/0.45 8.70 0.524 1.2 11.1 2.00 2.00 2.00 26.30 28.00 31.00 91
50 314/0.45 10.60 0.387 1.4 13.4 2.00 2.00 2.00 30.90 33.00 36.50 120
70 440/0.45 12.30 0.272 1.4 15.1 2.00 2.20 2.40 34.20 37.00 41.00 161
95 595/0.45 17.70 0.206 1.6 17.9 2.20 2.40 2.40 40.20 43.50 47.80 200

ROOPA - equivalent sizes of conductors in wires
Area
Sq. mm
Construction of Conductors
No. of strands / size of each strand (mm)
1.0 14/0.3 20/0.25 1/1.13
1.5 22/0.3 30/0.25 1/1.38
2.5 36/0.3 50/0.25 1/1.78
4.0 56/0.3 56/0.30 1/2.25
6.0 84/0.30 84/0.30 1/2.76

3 Core Flat Cables as per IS:694:1990 with ISI mark
Conductor Insulation Sheath
Overall Dimensions
Conductor
Resistance
@20°C(max.)
ohms / km
Current
Carrying Capacity
@ 40°C (Amp.)
Area(Nom.)
Sq. mm.
No. /size of
Wires mm
Thickness
(Nom)mm
Core Dia.
(Nom)mm.
Thickness
(Nom)mm.
Width
'W' mm
Thickness
'H' mm
1.5 22/0.3 0.8 3.25 1.15 12.5 5.8 12.10 14
2.5 36/0.3 0.9 3.90 1.15 14.4 6.3 7.41 18
4.0 56/0.3 1.0 4.65 1.15 17.2 7.4 4.95 26

3 Core Flat Cables generally conforming to IS:694:1990
Conductor Insulation Sheath
Overall Dimension
conductor
Resistance
@20°C(max.)
ahms/km.
Current
Carrying
Capacity
@40°C(Amp.)
Area(Nom.)
Sq. mm.
No./size of
wires mm
Thickness
(Nom)mm.
Core Dia.
(Nom)mm.
Thickness
(Nom)mm.
Width
'W' mm
Thickness
'H' mm
6.0 84/0.3 10 5.20 1.15 18.7 7.9 3.30 31
10.6 140/0.3 10 6.20 1.40 23.7 9.9 1.91 42
16.0 226/0.3 10 8.20 1.40 28.0 11.4 1.21 57

               

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