1100 Volts Three Core Armoured Cables

IS:1554(I) - 1988Sl.Normal Cross-SectionalArea of Conductor in mm2No.DescriptionUnit1.52.54610162535507095120150185240300400500630ConstructionalDetailsConductor1Minimum number ofwiresnos.111116666121515153030305353532ShapeCiruclar Solid/StrandedtrandedInsulation3TypePVC Compound Type A to IS:58314Nominal thicknessmm0.80.91.01.01.01.01.21.21.41.41.61.61.82.02.22.42.63.03.45Colour Scheme foridentificationRed,Yellow, Blue6Dia over laid up core10.1611.6812.5113.3316.3418.3121.6524.4428.2730.8634.5038.2743.2047.9954.617Dia over inner sheath11.1612.6813.5114.3317.3419.3122.6525.6429.4732.2635.9039.6745.2049.9956.618Dia over armured (Strip)15.9318.9420.9124.2527.2431.0733.8637.5041.2746.8051.5958.219Dia over armured (Wire)13.9615.4816.3117.5320.5422.5125.8529.6433.4736.2639.9044.6750.2054.9962.91Inner Sheath10TypeExtruded/Wrapped11MaterialPVC Taps12Minimum Thickness0.30.30.30.30.30.30.30.30.30.40.40.40.50.50.60.60.70.70.7Armouring13Type & MaterialSingle Layer of RoundSingle Layer of FlatGalvanised Steel wiresGalvanised Steel Strips14Nominal diameter ofwires/thickness of stripmm1.41.41.41.41.40.80.80.80.80.80.80.80.80.80.80.80.80.80.8Outer Sheath15TypePVC Compound Type ST 1 to IS:583116ColourBlack17Minimum Thicknessmm1.241.241.241.241.401.401.401.401.561.561.561.721.881.882.202.362.522.843.0018Approximate overalldiameter of cable(Strip))mm18.921.923.927.630.634.437.541.545.351.456.563.5Approximate overalldiameter of cable(Wire)mm16.618.219.020.6323.6425.6129.2533.0437.1739.9644.0049.0754.9059.9968.71ELECTRICALCHARACTERISTICS19Resistanceof conductor per1000m length of completed cablea) Maximum d.c.resistance at 20 Deg Cohm18.112.17.414.613.081.911.200.8680.6410.4430.3200.2530.2060.1640.1250.10.07780.06050.0469b) a.c. resistance at 70 Deg. Cohm21.7214.528.895.533.702.291.441.0420.770.5320.3850.3040.2480.1980.1520.1220.09620.07620.060820Continuous current rating (a.c.)ofcables under standard conditionsi) When laid directin groundamps1621283546607692110135165185210235275305335360400ii) When laid inductsamps141823303950637795115140155175200235260290305340iii)When laid in airamps131823304051708610513015518020524028031537541047021Reactance per 1000mlength of cableat 50 Hzohm0.0920.0870.0810.0730.0640.0550.0540.050.050.0460.0430.0420.0420.0420.0410.0400.0400.0400.04022Capacitance between conductorsperMicro1000m length of cablefarad0.3720.4080.450.510.620.760.800.900.911.031.0641.171.171.181.221.251.301.301.3023Minimum volumeresistivity of PVC InsuOhmcm1 X 1013AT 27 Deg C and 1 x 1010at 70 Deg C24Maximum permissibleshortcircuitkilocurrent for duration of one secondamps0.1140.1900.3040.4560.7601.2161.9002.6603.8005.3207.2209.12011.40014.06018.24022.80030.40038.00047.88025Voltage dropper 1000m length of cable(assuming cables used on single phase a.c.systems)a) When laid direct in groundvolts6025284313352952381901661471251129991817669605451b) When laid in ductsvolts527453354287250198157139127106958376696559524543c) When laid in airvolts4894533542872562021751551401201059789817871686159GENERAL :26Approximate net weight per1000m length of finished cable(Strip)kg610690830630834985125815531952230727643275416349886104Approximate net weight per1000m length of finished cable (Wire)kg5386406908351134124815592094259429753509452455507468865427Standard length ofcable (Subject to amanufacturing tolerance +/-5%)m50025028Drum Dimensions-a) Approximateoverall heightmm9409409401040114011401250125012501450155016501650185022651650185020502265b) Approximate outerwidthmm6906906907157157158558558558559101130113011801420113011801240135029Approximate grossweight of drum (Strip Arm)kg607839993126715711978234128103333424550896223Approximate grossweight of drum (Wire Arm)kg5346077248271066124215542070259529843523453655706551870030Minimum bendingradius for laying of CBL12xOverall Diameter ofCable31Recommended pullingforce:a) When conductorpulled by pulling eyeN30 xTotal Conductor Area in mm2b) When cable pulled with stockingN9 x D2where D isthe Overall Diameter of cable in mmSTRANDED CONDUCTOR IS ALSO PERMISSIBLE IN THESE SIZES