额定电压为450/750V及以下的聚氯乙烯绝缘电缆(电线)(PVCinsulatedcable(wire)ratedvoltageuptoandincluding450/750V)一、产品型号以下产品执行GB5023-1997标准，括号内的字母为旧型号。产品型号产品名称227IEC01（BV）一般用途单芯硬导体无护套电缆227IEC02（RV）一般用途单芯软导体无护套电缆227IEC05（BV）内部布线用导体温度为70摄氏度的单芯实导体无护套电缆227IEC06（RV）内部布线用导体温度为70摄氏度的单芯软导体无护套电缆227IEC07（BV-90）内部布线用导体温度为90摄氏度的单芯实芯导体无护套电缆227IEC08（RV-90）内部布线用导体温度为90摄氏度的单芯软导体无护套电缆227IEC10（BVV）轻型聚氯乙烯护套电缆227IEC42（RVB）扁形无护套软电线227IEC52（RVV）轻型聚氯乙烯护套软电线227IEC53（RVV）普通聚氯乙烯护套软电线以下产品执行JB8734-1998标准型号产品名称BV铜芯聚氯乙烯绝缘电线BVR铜芯聚氯乙烯绝缘软电线BVV铜芯聚氯乙烯绝缘聚氯乙烯护套圆型电缆BVVB铜芯聚氯乙烯绝缘聚氯乙烯护套扁型电缆RVS铜芯聚氯乙烯绝缘绞型连接用软电线二、用途适用于交流电压为450/750V及以下的动力装置、日用电器、仪表及电信设备用的电缆电线。阻燃型电缆（电线）的特点是不易着火或者着火后火焰蔓延较慢并能控制在一定的范围内，其使用于对阻燃性能要求较高的场合。阻燃电缆（电线）分为Ａ类、Ｂ类和Ｃ类三个级别，其中Ａ类阻燃性能最优。耐火型电缆（电线）的特点是电缆除了能在正常的条件下传输电力外，还可以在燃烧的善下仍能保持一定时间的安全运行，其使用在对电缆特性有要求的场合。三、产品标准GB/5023-1997、JB8734-1998四、电线主要特性１、额定电压U￠/U为450V/750V、300/500V、300/300V２、电缆长期工作允许温度为：a.90型号电缆允许工作温度应不超过90摄氏度；b.其他型号允许工作温度不超过70摄氏度；３、电缆的敷设温度应不低于0℃，允许弯曲半径(B系列)如下：电缆外径Ｄ小于25mm者允许弯曲半径应不小于4D;电缆外径Ｄo25mm以上者允许弯曲半径应不小于6D;4、阻燃电缆（电线）的阻燃性能应通过GB/T18380.3-2001成束电线电缆燃烧试验。5、耐火电缆（电线）的耐火性能应通过GB/T19216.21-2003规定的耐火试验。ＭodelandNameThefollowingproductsareproducedaccordingtoGB5023-1997,whilethelettersinbracesareoldmodels.ModelProductName227IEC01（BV）Single-corehardconductorcablewithoutsheathforgeneraluse227IEC02（RV）Single-coresoftconductorcablewithoutsheathforgeneraluse227IEC05（BV）70centigradedegreesingle-coresolidhardconductorcablewithoutsheathforinnerwiring227IEC06（RV）70centigradedegreesingle-coresolidhardconductorcablewithoutsheathforinnerwiring227IEC07（BV-90）90centigradedegreesingle-coresolidhardconductorcablewithoutsheathforinnerwiring227IEC08（RV-90）90centigradedegreesingle-coresolidsoftconductorcablewithoutsheathforinnerwiring227IEC10（BVV）LightPVCsheathedcable227IEC42（RVB）Flatflexiblewirewithoutsheath227IEC52（RVV）LightPVCsheathedflexiblewire227IEC53（RVV）CommonPVCsheathedflexiblewireThefollowingproductsareproducedinaccordancewithstandardJB8734-1998ModelProductNameBVCopperconductorPVCinsulatedcableBVRCopperconductorPVCinsulatedflexiblecableBVVCopperconductorPVCinsulatedPVCsheathedroundcableBVVBCopperconductorPVCinsulatedPVCsheathedcableRVSCopperconductorPVCinsulatedstrandedcableforflexibleconnectingApplicationThesecablesareproducedaccordingstandardsGB5023-199andJB8734-1998,andtoapplytoelectricalappliance,instrumentandtelecomdevicewithratedvoltageuptoandincluding450/750V.ThemainfeaturesoftheflameretardantPVCcableorwireishardtogetfireorthatthecontinuousburningofcablesisverylimitedwhenitisonfire.Itappliestotheplaceswithspecialdemandsforflameretardantproperty.FlameretardantcablesareclassifiedasclassA,BandC.Amongstthe3classes,classAisthebest.Fire-resistancecablecanoperatenormallyforsometimewhenitisburningexceptthatitcantransmitelectricalpowerundernormalcondition.Itisusedintheplaceswithspecialdemandsforfireresistanceproperty.Features1.RatedvoltageU0/Uis450/750V,300/500V,or300/300V.2.Permissiblecontinuousworkingtemperatureofcableconductor:-formodeofcableRV-90andBV-90,thetemperatureshouldbenotmorethan90centigradedegree.-forothers,thetemperatureshouldbenotmorethan70centigradedegree.3.Ambienttemperatureshouldbenotlessthan0centigradedegrees,andpermissiblebendingradiusofcableforfixedconnectingshouldbeasfollowsduringinstallation.-forO.D.lessthan25mm,equaltoorgreaterthan4O.D.-forO.D.notlessthan25mm,equaltoorgreaterthan6O.D.4.FlameretardantcableshouldpassthetestofbunchedcablesorwiresunderfireconditionswhicharedescribedinthestandardsofGB/18380.3-2001.5.FireresistantcableshouldpassthetestoffireresistantstipulatedinthestandardsofGB/T19216.21-2003.)