DIN VDE 0100-520-2013 低压电气装置.第5-52部分:电气设备的选择和安装.配线系统(IEC 60364-5-52-2009,修订本+2011年2月勘误表).德文实施HD 60364-5-52-2011
Low-voltage electrical installations - Part 5-52: Selection and erection of electrical equipment - Wiring systems (IEC 60364-5-52:2009, modified + Corrigendum Feb. 2011); German implementation HD 60364-5-52:2011