WDZB一B丫J电线和WDZC一BYJ电线有什么区别?
推荐回答(5个)
1、等级不同:
交联聚乙烯绝缘聚烯烃护套A(B、C)类阻燃电力电缆。WDZB-BYJ是铜芯交联聚乙烯绝缘无卤低烟护套阻燃B类电力电缆。WDZC-BYJ是铜芯交联聚乙烯绝缘无卤低烟护套阻燃C类电力电缆。
2、用途不同:
WDZC-BYJ用途:适宜对阻燃且无卤低烟有要求时埋地敷设,不适宜管道内敷设。
WDZB-YJY的用途:可敷设在对阻燃且无卤低烟有要求的室内、隧道及管道中。
3、性能不同:
耐火电缆与阻燃电缆的原理不同。含卤电缆阻燃原理是靠卤素的阻燃效应,无卤电缆阻燃原理是靠析出水降低温度来熄灭火焙.耐火电缆是靠耐火层中云母材料的耐火、耐热的特性,保证电缆在火灾时也工作正常。
BYJ导线价格高于BV导线;BYJ导线防火性能高于BV导线;BYJ导线毒性低于BV导线。电缆阻燃材料的不同,阻燃电缆分为含卤阻燃电缆及无卤低烟阻燃电缆两大类。

扩展资料:
使用注意事项
1、工作温度:电缆导体长期允许工作温度为90℃;短路时,电缆导体的温度不超过250℃,持续时间不超过5S。
2、由于含卤阻燃电缆(包括阻燃电缆、低卤低烟阻燃电缆)在燃烧时会释放具有腐蚀性的卤酸气体,大大阻碍消防工作从而耽误救火时间并加剧火势蔓延,因此在人口密度较高的公众场所应尽量设计选用无卤低烟阻燃电缆。
3、阻燃电缆分为A、B、C3类,其中A类阻燃电缆性能较B、C类相比其他两类是较好的类别。设计人员提供订货清册时应标明阻燃电缆的类别。
4、从外观上无法区分阻燃电缆的A、B、C类别,只有靠制造厂家进行供货保证,因此在设计选用时应慎重选择电缆制造厂家。
参考资料:百度百科-阻燃电缆
1、档次不同:
WDZB-BYJ是铜芯交联聚乙烯绝缘无卤低烟护套阻燃B类电力电缆。WDZC-BYJ是铜芯交联聚乙烯绝缘无卤低烟护套阻燃C类电力电缆。B类比C类档次高。

2、防火不同:
BYJ——铜芯导体交联聚乙烯绝缘固定敷设用电线,耐温等级90℃;
BV——铜芯导体聚氯乙烯绝缘固定敷设用电线,耐温等级70℃.
BYJ和BV两种电缆都不防火。耐火电线的型号为NH-BYJ 或 NH-BV。
3、特性不同:
BYJ导线价格高于BV导线;BYJ导线防火性能高于BV导线;BYJ导线毒性低于BV导线。
常用线径:0.75方,1方,1.5方,2.5方,4方,6方,10方,16方,25方,35方,50方,70方,95方,120方,150方,185方,240方,300方等。
参考资料来源:百度百科-阻燃电缆(特点)
首先要纠正一下,这两种都是电缆,不是电线。
WDZB-BYJ是铜芯交联聚乙烯绝缘无卤低烟护套阻燃B类电力电缆,工作温度:电缆导体长期允许最高工作温度为90℃;短路时,电缆导体的最高温度不超过250℃,持续时间不超过5S。
WDZC-BYJ是铜芯交联聚乙烯绝缘无卤低烟护套阻燃C类电力电缆
B类比C类档次高。
这两种都是电缆,不是电线。
WDZB-BYJ是铜芯交联聚乙烯绝缘无卤低烟护套阻燃B类电力电缆,工作温度:电缆导体长期允许最高工作温度为90℃;短路时,电缆导体的最高温度不超过250℃,持续时间不超过5S。
WDZC-BYJ是铜芯交联聚乙烯绝缘无卤低烟护套阻燃C类电力电缆
B类比C类档次高。
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