1100Volts Four Core Armoured Cables

IS:1554(I) - 1988Sl.Normal Cross-SectionalArea of Conductor in mm2No.DescriptionUnit1.52.54610162535507095120150185240300400500630ConstructionalDetailsConductor (Solid)1Minimum number ofwiresnos.111116666121515153030305353532ShapeCircularsolidcompacedShapedConductor (Stranded)Minimum number ofwiresnos.33337666612151515303030535353ShapeCircularstrandedcompacedShapedInsulation3TypePVC Compound Type A to IS:58314Nominal thicknessmm0.80.91.01.01.01.01.21.21.41.41.61.61.82.02.22.42.63.03.45Dia over laidup coremm11.4813.2014.1415.1017.9120.8724.7027.9932.3935.4639.6443.9849.6855.2262.926Colour Scheme foridentificationRed, Yellow, Blue, Black7Dia over inner sheathmm12.4814.2015.1416.1018.9121.8725.9029.1933.5936.8641.0445.5851.2857.2264.928Dia over armoured (Strip)mm16.7417.7020.5123.4727.5030.7935.1938.4642.6447.1852.8858.8266.52Dia over armoured (Wire)mm15.2817.0018.3419.3022.1125.0729.9033.1937.5940.8646.0450.5856.2863.5271.22Inner Sheath9TypeExtrudedExtruded10MaterialPVCPVC Taps11Minimum Thickness0.30.30.30.30.30.30.30.30.40.40.50.50.50.60.60.70.70.70.7Armouring12Type & MaterialSteel Round WireSingle Layer of FlatGalvanised Steel Strips13Dia over armoured (Strip)16.7417.7020.5123.4727.5030.7935.1938.4642.6447.1852.8858.8266.52Dia over armoured (Wire)15.2817.018.319.3022.1125.0729.9033.1937.5940.8646.0450.5856.2863.5271.2214Nominal diameter ofwires/thickness of stripmm1.41.41.41.40.80.80.80.80.80.80.80.80.80.80.80.80.80.80.8Outer Sheath15TypePVC Compound Type ST 1 to IS:583116ColourBlack17Minimum Thicknessmm1.241.241.241.241.401.401.401.401.561.561.721.881.882.042.362.522.843.003.0018Approximate overalldiameter of cable (Strip)mm19.7420.7023.5126.4730.8234.1138.8942.4646.6451.7857.8864.0672.52Approximate overalldiameter of cable (Wire)mm17.9619.6821.3422.4025.1128.3933.2236.5141.3344.9650.4455.2861.2869.2277.22ELECTRICALCHARACTERISTICS19Resistanceof 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 cablefarad0.3720.4080.450.510.620.760.800.900.901.031.0501.161.161.161.221.241.301.301.3023Minimum 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)kg6727569931206156519272476293034774216523763617926Approximate net weight per1000m length of finished cable(Wire)kg6147288909811244151221042528316832644248502560907996964827Standard length ofcable (Subject to amanufacturing tolerance +/-5%)m50025028Drum Dimensions-a) Approximateoverall heightmm94094010401140114012501250125014501650165018502050226523652050205022652465b) Approximate outerwidthmm690690715715715855855855855113011301180118014201550124012401350145029Approximate grossweight of drumkg310355430470495560675775990132516002000239030503715228527203420419530Minimum 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