额定电压450／750V及以下聚氯乙烯绝缘电缆电线和软线（JB8734－1998）固定布线用电线电缆（JB8734－1998）型号、名称：型号名称使用特性BV铜芯聚氯乙烯绝缘电线１．电缆的长期允许工作就不超过７０℃。２．电缆的敷设温度不低于０℃。３．电缆的允许弯曲半径：电缆外径Ｄ小于２５mm者不小于４Ｄ，电缆外径Ｄ为２５mm及以上者不小于６Ｄ。BLV铝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BLVV铝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BLVVB铝芯聚氯乙烯绝缘聚氯乙烯护套扁型电缆参数：ＢＶ型３００／５００Ｖ铜芯聚氯乙烯绝缘电缆导体标称截面（mm2）导体结构（根／mm）绝缘厚度规定值（mm）平均外径上限（mm）20℃导体直流电阻（≤Ω/km）0.757/0.370.62.624.51.07/0.430.62.818.1ＢLV型450／750Ｖ铝芯聚氯乙烯绝缘电缆导体标称截面（mm2）导体结构（根／mm）绝缘厚度规定值（mm）平均外径上限（mm）20℃导体直流电阻（≤Ω/km）2.51/1.780.83.912.141/2.250.84.47.4161/2.780.85.04.61107/1.351.06.73.08167/1.701.07.81.91257/2.141.29.71.20357/2.521.210.90.8685019/1.781.412.80.6417019/2.141.414.60.4439519/2.521.617.10.32012037/2.031.618.80.25315037/2.251.820.90.20618537/2.522.023.30.16424061/2.252.226.60.12530061/2.522.429.60.10040061/2.852.633.20.0778ＢVR型450／750Ｖ铜芯聚氯乙烯绝缘软电缆导体标称截面（mm2）导体结构（根／mm）绝缘厚度规定值（mm）平均外径上限（mm）20℃导体直流电阻（≤Ω/km）2.519/0.410.84.17.41419/0.520.84.84.61619/0.640.85.33.081049/0.521.06.81.831649/0.641.08.11.152598/0.581.210.20.72735133/0.581.211.70.52450133/0.681.413.90.38770189/0.681.416.00.268BVV、BLVV型300／500V铜芯和铝芯聚氯乙烯绝缘聚氯护套圆型电缆导体标称截面（mm2）导体结构（根／mm）绝缘厚度规定值（mm）护套厚度规定值（mm）平均外径尺寸（mm）20℃导体直流电阻≤（Ω/km）下限上限铜芯铝芯0.751/0.970.60.83.64.424.5--1.01/1.130.60.83.74.518.1--1.51/1.380.70.84.25.012.1--1.57/0.520.70.84.35.212.1--2.51/1.780.80.84.85.77.4112.12.57/0.680.80.84.85.97.41--41/2.250.80.95.46.54.617.4147/0.850.80.95.56.84.61--61/2.780.80.95.97.13.084.6167/1.040.80.96.07.33.08--107/1.351.00.97.38.81.833.08BVVB．BLVVＢ型300／500V铜芯和铝芯聚氯乙烯绝缘聚氯护套扁型电缆导体标称截面（mm2）导体结构（根／mm）绝缘厚度规定值（mm）护套厚度规定值（mm）平均外径尺寸（mm）20℃导体直流电阻≤（Ω/km）下限上限铜芯铝芯2×0.751/0.970.60.93.8×5.94.6×7.124.5----2×1.01/1.130.60.93.9×6.14.8×7.418.1----2×1.51/1.380.70.94.4×7.05.3×8.512.1-----2×2.51/1.780.81.05.1×8.46.2×10.17.4112.12×41/2.250.81.05.6×9.26.7×11.14.617.412×47/0.850.81.05.7×9.56.9×11.54.61----2×61/2.780.81.16.2×10.47.5×12.53.084.612×67/1.040.81.16.4×10.87.8×13.03.08-----2×107/1.351.01.27.9×13.49.5×16.21.833.083×0.751/0.970.60.93.8×7.94.6×9.624.5----3×1.01/1.130.60.93.9×8.44.8×10.118.1-----3×1.51/1.380.70.94.4×9.65.3×11.712.1-----3×2.51/1.780.81.05.1×11.66.2×14.77.4112.13×41/2.250.81.15.8×13.17.0×15.84.617.413×47/0.850.81.15.9×13.57.1×16.34.61-----3×61/2.780.81.16.2×14.57.5×17.53.084.613×67/1.040.81.16.4×15.17.8×18.23.08----3×107/1.351.01.27.9×19.09.5×23.01.833.08