Electrical safety in low voltage distribution systems up to 1 000 V a.c. and 1 500 V d.c. - Equipment for testing, measuring or monitoring of protective measures -- Part 6: Effectiveness of residual current devices (RCD) in TT, TN and IT systems
交流1000V和直流1500V以下低压配电系统的电气安全保护措施的试验、测量或监测设备第6部分:TT、TN和IT系统中剩余电流装置(RCD)的有效性