DIN VDE 0100-410:1997
额定电压不超过1kV的电力设备安装.第4部分:安全保护.第41节:电击防护
Erection of power installations with nominal voltages up to 1000 V - Part 4: Protection for safety; Chapter 41: Protection against electric shock (IEC 60364-4-41:1992, modified); German version HD 384.4.41 S2:1996