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National Cables

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Heavy Duty, Sturdy, Rugged, Flexible wire/cords, 1.1 KV 70 degree C grade. PVC insulated, unsheathed and sheathed confirming to IS: 694 -1990 with bunched annealed bare high conductivity copper conductor.

Types
  • Unsheathed Single Core, Parallel Twin, Twin Twisted of sizes 0.5; 0.75; 1.0; 1.5; 2.5; and 4sq.mm

  • Sheathed, single, two, three, four and five cores in normal cross sectional size 0.5; 0.75; 1.0; 1.5; 2.5; and 4 sq.mm

  • Unsheathed and Sheathed, special single core in normal cross sectional sizes from 6 sq.mm. to 95 sq.mm

  • Sheathed flexible Cords Special Single, Twin, three and four Cores in nominal cross sectional sizes from 6 sq. mm.to 95 sq. mm
Conductor

Annealed bare high conductivity copper conductor conforming to class v as per IS: 8130-1984

Insulation

PVC Compound Type A of IS: 5831

Sheath

PVC Compound Type STI of IS:5831-1984 COLOUR CORE OF INSULATION: For Single Core:Red, Black, Yellow, Blue and Grey or any colour specified by customer for 2, 3, & 4 cores as per IS : 694 - 1990 latest amendments

Quality
  • Best quality raw materials available to the trade conforming to IS standards are used in manufacturing

  • We have a very highly efficient quality control team independent of production

  • Quality is in- built at every process
Note:- "Number and nominal diameter of wire formation in conductor can also be manufactured in different size in accordance with the requirement of the customer."

National Pvc Flexible Cords (Unsheathed)

CONDUCTOR
Plain Annealed High Conductivity Copper Conductor to Class 5 IS: 8130-1984
INSULATION PVC Type A of IS: 5831-1984
SPECIFICATION IS: 694/1990
Nominal Cross Sectional Area(sq.mm.)
Number & Nominal Diameter of Wire in Conductor(mm)
Nominal Thickness of INSULATION(mm) OD(mm)
(Max)
0.50 16/0.20 0.60 2.60
0.75 24/0.20 0.60 2.80
1.0 32/0.20 0.60 3.00
1.5 30/0.25 0.60 3.80
2.5 50/0.25 0.70 4.00
4.0 56/0.30 0.80 4.80

National Pvc Insulated & Sheathed Circular Flexible Cords


CONDUCTOR
Plain Annealed High Conductivity Copper Conductor to class 5 of IS: 8130-1984
INSULATION PVC Type A of IS: 5831-1984
SHEATH PVC Type STI of IS: 5831-1984
NOMINAL CROSS SECTIONAL AREA NUMBER AND NOMINAL DIAMETER OF WIRE IN CONDUCTOR NOMINAL THICKNESS OF INSULATION NOMINAL THICKNESS OF SHEATH AND APPROX. OVERALL DIAMETER    
Single Core O.D(Max) Two Core O.D(Max) Three Core O.D(Max) Four Core O.D(Max)
(sq.mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm)
0.50 16/0.20 0.60 0.90 4.50 0.90 7.20 0.90 7.60 0.90 8.20
0.75 24/0.20 0.60 0.90 4.70 0.90 7.80 0.90 8.20 0.90 8.80
1.0 32/0.20 0.60 0.90 4.90 0.90 8.00 0.90 8.60 0.90 9.40
1.5 30/0.25 0.60 0.90 5.40 0.90 8.60 0.90 9.20 1.00 10.50
2.5 50/0.25 0.70 1.00 6.20 1.00 10.50 1.00 11.20 1.20 12.00
4.0 56/0.30 0.80 1.00 7.00 1.00 12.00 1.00 12.50 1.00 14.00

Current Rating For National Flexible Cords (Copper Conductor)

Copper Conductor Nominal Cross Sectional Area sq.mm. Current Rating at Ambient Temperature 40º C
(Subject to voltage drop)
for 2 core, 3 core & Phase)
0.50 4
0.75 7
1.0 11
1.5 14
2.5 14
4.0 26
The current rating are based on an ambient temperature of 40º C where the ambient temperature alters the appropriate rating factor given below must be applied.
Ambient Temperature 25º C 30º C 35º C 40º C 45º C
Rating Factor 1.25 1.16 1.09 1.00 0.90

National Pvc Flexible Cords (Unsheathed) Single Core 1100V

CONDUCTOR Plain annealed High Conductivity Copper Conductor to class 5 of IS : 8131-1984
INSULATION PVC Type A of IS: 5831(GENERAL PURPOSE)
SPECIFICATION Generally conforming to IS: 694/1990 latest
Nominal Cross Sectional Area Nominal Number and Nominal Diameter of Wire in Conductor Maximum Resistance at 20º C Nominal Thickness of Insulation Current rating Ambient Temperature 40º C 2 cable Single Phase A/c or D/c Current 3 or 4 Cable 3 Phase Ambient Temperature 40º C Approx. Diameter mm.(min)(max
oh/km
(sq.mm.) - (mm) Single Core Multi core - (mm) (Amp) (mm) (mm)
6.0 - 84/0.30 3.140 3.300 0.80 30 26 4.8 6.4
10.0 (140/.300) 80/0.40 1.820 1.910 1.00 55 36 6.1 8.0
16.0 (224/.300) 126/0.40 1.160 1.210 1.00 55 48 7.3 9.6
25.0 (348/.300) 196/0.40 0.743 0.780 1.20 89 62 8.8 11.5
35.0 (492/.300) 276/0.40 0.527 0.554 1.20 87 79 9.9 13.0
50.0 (708/.300) 396/0.40 0.368 0.368 1.40 116 108 11.8 15.0
70.0 (1000/.300) 360/0.50 0.259 0272 1.40 160 144 13.5 16.6
95.0 (1332/.300) 475/0.50 0.196 0.206 1.60 188 172 15.5 18.5

National Pvc Flexible Cords (Unsheathed) Flexible Cords (Special Size) 1100V Grade

CONDUCTOR Plain annealed High Conductivity Copper Conductor to class 5 of IS : 8131_1984
INSULATION PVC Type A of IS: 5831(GENERAL PURPOSE)
SHEATH PVC Type A of IS: 5831_1984
SPECIFICATION Generally confirming to IS: 694_1990 latest
Nominal Cross Sectional Area Nominal Number And Normal Dia of Wire Nominal Thickness of Insulation Nominal Thickness of sheath/Approx.Overall Diameter in mm.(min) Current Rating Ambient Temperature 30º C (Subject to voltage draw)
- - - - Single Core O.D Two Core O.D Three Core O.D Four Core O.D two Core Three & four Core
sq.mm mm - mm mm mm mm mm mm mm mm mm Amp Amp
6.0 - 84/0.30 0.80 0.9 6.60 1.1 11.80 1.1 14.10 1.2 14.00 28 25
10.0 (140/.300) 80/0.40 1.00 0.9 7.90 1.2 14.60 1.2 17.75 1.3 17.30 37 33
16.0 (224/.300) 126/0.40 1.00 1.0 9.30 1.3 17.20 1.3 19.70 1.4 20.30 50 46
25.0 (348/.300) 196/0.40 1.20 1.1 11.00 1.4 20.40 1.4 24.20 1.6 24.30 57 50
35.0 (492/.300) 276/0.40 1.20 1.1 12.10 1.5 22.80 1.5 28.40 1.7 27.20 73 64
50.0 (708/.300) 396/0.40 1.40 1.2 14.20 1.6 26.80 1.6 33.35 1.8 32.00 96 84
70.0 (1000/.300) 360/0.50 1.40 1.2 15.90 1.8 30.60 1.8 38.40 2.0 36.50 128 116
95.0 (1332/.300) 475/0.50 1.60 1.3 18.10 2.0 35.00 2.1 42.50 2.2 41.60 157 137
 
 
 
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