Insulation coordination for equipment within low-voltage systems - Part 5: Comprehensive method for determining clearances and creepage distances equal to or less than 2 mm (IEC 60664-5:2007); German version EN 60664-5:2007
低压系统内设备的绝缘配合.第5部分:确定等于或小于2mm的间隙和爬电距离的综合方法(IEC 60664-5-2007);德文版EN 60664-5:2007