DIN VDE 0100-540:2007
低压电力设备.第5-54部分:电气设备的选择和安装.接地措施、保护导体和保护跨接线(IEC 60364-5-54:2002,修改件)
Low-voltage electrical installations - Part 5-54: Selection and erection of electrical equipment - Earthing arrangements, protective conductors and protective bonding conductors (IEC 60364-5-54:2002, modified); German implementation HD 60364-5-54:2007