1100 Volts Armoured Control Cables - 1.5 mm2 
Type 'YWY' & 'YFY'  to IS:1554(I) - 1988
Sl.     NUMBER OF CORES                              
No. Description Unit  2 3 4 5 6 7 8 9 10 12 14 16 19 21 24 27 30 33 37 44 52 61
  Constructional Details      
  Conductor      
1 Material                       PLANNED ANNEALED COPPER                
2 Number of wires nos.                     ONE              
3 Shape                       SOLID CIRCULAR              
  Insulation      
4 Type                       PVC Compound Type A to IS:5831                
5 Nominal thickness  mm 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8
6 Colour Scheme for identification  TWO CORE - Red Black             THREE CORE - Red, Yellow, Blue      
    FOUR CORE - Red, Yellow, Blue, Black FOUR CORE - Red, Yellow, Blue, Black, Grey  
    SIX CORE AND ABOVE -  Two adjacent cores (I.e counting core & direction core) in each layer  
            shall be Blue & Yellow respectively and remaining cores shall be Grey          
7 Dia over laid up core 6.60 7.10 8.00 8.90 9.90 9.90 10.70 11.40 12.00 13.20 14.50 15.50 16.50 17.50 19.70 20.20 21.10 22.00 23.00 26.30 27.70 29.60
8 Dia over inner sheath 7.60 8.10 9.00 9.90 10.90 10.90 11.70 12.40 13.00 14.20 15.50 16.50 17.50 18.50 20.70 21.20 22.50 23.40 24.40 27.70 29.20 31.10
9 Dia over Armoured 10.40 10.90 11.80 12.70 13.70 13.70 14.50 15.20 15.80 16.00 17.30 18.30 19.30 20.30 22.50 23.00 24.30 25.20 26.20 29.50 31.00 32.90
  Inner Sheath       
10 Type          Extruded                  Extruded            
11 Material       PVC                 PVC Taps          
                                       
12 Minimum Thickness   0.30 0.30 0.30 0.30 0.30 0.30 0.30 0.30 0.30 0.30 0.30 0.30 0.30 0.30 0.30 0.30 0.30 0.30 0.30 0.30 0.40 0.40
  Armouring                                      
13 Type & Material       Single Layer of Round                  Single Layer of Flat            
          Galvanised Steel wires                 Galvanised Steel Strips            
14 Nominal diameter of wires/thickness of strip  mm 1.40 1.40 1.40 1.40 1.40 1.40 1.40 1.40 1.40 0.80 0.80 0.80 0.80 0.80 0.80 0.80 0.80 0.80 0.80 0.80 0.80 0.80
  Outer Sheath                                      
15 Type                      PVC Compound Type ST 1 to IS:5831                
16 Colour   Black    
17 Minimum Thickness mm 1.24 1.24 1.24 1.24 1.24 1.24 1.40 1.40 1.40 1.40 1.40 1.40 1.40 1.40 1.40 1.40 1.40 1.40 1.40 1.56 1.56 1.56
18
Approximate overall diameter of cable mm 13.10 13.60 14.50 15.40 16.40 16.40 17.20 17.90 18.80 19.00 20.30 21.30 22.30 23.30 25.50 26.00 27.30 28.20 29.20 32.80 34.30 36.20
  ELECTRICAL CHARACTERISTICS        
19 Resistance of conductor per                                         
  1000m length of completed cable        
  a) Maximum d.c. resistance at 20 Deg C ohm                   12.1                
  b) a.c. resistance at 70 Deg. C ohm                   14.48                
20 Continuous current rating (a.c.) of         
  cables under standard conditions                                        
  i) When laid direct in ground amps 23 21 21 16 15 14 14 13 13 12 11 11 10 10 9 9 9 8 8 7 7 6
  ii) When laid in ducts amps 20 17 17 14 13 13 12 12 11 10 10 9 9 8 8 8 7 7 7 6 6 6
  iii)When laid in air amps 20 17 17 14 13 13 12 12 11 10 10 9 9 8 8 8 7 7 7 6 6 6
21 Reactance per 1000m length of cable                                        
  at 50 Hz ohm 0.092 0.092 0.092 0.09 0.092 0.092 0.092 0.092 0.092 0.092 0.092 0.092 0.092 0.092 0.092 0.092 0.092 0.092 0.092 0.092 0.092 0.092
22 Capacitance between conductors per  Micro                                      
  1000m length of cable farad 0.113 0.113 0.113 0.113 0.113 0.113 0.113 0.113 0.113 0.113 0.113 0.113 0.113 0.113 0.113 0.113 0.113 0.113 0.113 0.113 0.113 0.113
23 Minimum volume resistivity of PVC Insu Ohmcm                     1 X 10 13 AT 27 Deg C and 1 x 10 10 at 70 Deg C                
24 Maximum permissible shortcircuit  kilo                                       
  current for duration of one second amps 0.172 0.172 0.172 0.17 0.172 0.172 0.172 0.172 0.172 0.172 0.172 0.172 0.172 0.172 0.172 0.172 0.172 0.172 0.172 0.172 0.172 0.172
25 Voltage drop per 1000m length of cable                                         
  (assuming cables used on single phase a.c.        
  systems)        
  a) When laid direct in ground volts 666 608 608 463 434 405     376 348 318 318 290   261 261 261   232 203 203 174
  b) When laid in ducts volts 580 492 492 405 376 376     318 290 290 261 261   232 232 203   203 174 174 174
  c) When laid in air volts 580 492 492 405 376 376     318 290 290 261 261   232 232 203   203 174 174 174
  GENERAL :      
26 Approximate net weight per                                         
  1000m length of finished cable kg 351 394 449 506 565 586 640 687 748 726 813 889 989 1069 1205 1291 1420 1521 1646 1937 2180 2454
27 Standard length of cable (Subject to a                                      
  manufacturing tolerance +/-5%) m                 500                    
28 Drum Dimensions-                                        
  a) Approximate overall height mm 840 940 940 940 940 940     1140 1140 1140 1140 1140   1250 1250 1250 1450 1450 1450 1550 1650
  b) Approximate outer width mm 665 690 690 690 690 690     715 715 715 715 715   855 855 855 855 855 855 910 1130
29 Approximate gross weight of drum kg 275 310 330 360 400 405     545 435 485 530 575   705 740 795 845 945 1090 1270 1465
30 Minimum bending radius for laying of CBL                       12  x  Overall Diameter of Cable                 
31 Recommended pulling force:                                        
  a) When conductor pulled by pulling eye N                     50 x Total Conductor Area in mm2                
  b) When cable pulled with stocking N                     9 x D2 where D is the Overall Diameter of cable in mm                
STRANDED CONDUCTOR IS ALSO PERMISSIBLE IN THESE SIZES