GBT 19271.4-2005雷电电磁脉冲的防护第4部分-现有建筑物内设备的防护

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1、ICS91.120.40P30巧黔中华人民共和国国家标准GB/T19271.4-2005/IECTR261312-4:1998雷电电磁脉冲的防护第4部分:现有建筑物内设备的防护Protectionagainstlightningelectromagneticimpulse(LEMP)一Part4:Protectionofequipmentinexistingstructures(IECTR261312-4:1998,IDT)2005-07-29发布2006-04-01实施中华人民共和国国家质量监督检验检疫总局发布中国国家标准化管理委员会GB/T

2、19271.4-2005/IECTR261312-4;1998目次前言·····································，···········...................................·，························⋯⋯I引言···························，·····················，······，·······，································，·············，·⋯⋯I1总则······

3、······································，·············································，···················⋯⋯11.1范围·····················，，，··········································，···············，，························⋯⋯11.2规范性引用文件······，·······卜···························

4、······························，，···············，···⋯⋯12对照表，，，·····“··‘1·····，··，，，··········‘·“·····...................····.....................·，，，，，，13建筑物有外部防雷系统时的防护措施···‘········，，·············································，，········一34电缆设施的防护措施··················，······

5、····································，，···························⋯⋯35电源设施和信息技术设备(ITE)互连线的防护措施····················‘······················，···⋯⋯75.1浪涌保护器(亦见GB/T19271.3[3少··································‘··，，···························⋯⋯76安装有天线和其他设备时的防护措施············，，，······

6、········，·········，..············.........⋯⋯，，二86.1实例，·······】·........................·，··················111，·，，，，··················，·，二86.2设备的防护(见图4)························································，，，，，，··，，·················⋯⋯，，86.3减小馈线电缆的感应过电压和防止设备内部的侧向闪络········

7、·································，，二97建筑物间数据、电话、测量互连线的防护措施···························································⋯⋯97.1简述··················································，······························，··························⋯⋯97.2建筑物间的光缆·········，···················

8、········，····················⋯⋯卜卜...................⋯⋯，.⋯97.3建筑物间的金属电缆····，