摘要
结合电气施工中的实际情况,分析探讨在学习应用GB50054-2010《低压配电设计规范》中出现的一些问题:对IT系统绝缘监测电器测试绝缘电阻时测试电压的规定;关于导体绝缘最高运行温度;耐火极限与耐火等级概念混淆;应将"可燃物"界定清楚等。
In combination with actual electrical construction, problems found during study and application of Code for Design of Low Voltage Electrical Installations （GB 50054- 2010） are analyzed and discussed, including stipulations on test voltage applied to insulation resistance testing with insulation monitoring device of IT system, maximum operating temperature of conductor insulation, conceptual confusion of fire resistance rating and fire resistance class, and further definition of combustible substance.
出处
《建筑电气》
2012年第8期39-42,共4页
Building Electricity
关键词
低压配电
绝缘监测电器
最高运行温度
耐火极限
耐火等级
可燃物
槽盒
Low voltage distribution Insulation monitoring device Maximum operating temperature Fire resistance rating Fire resistance class Combustible substance Trunking
