交流1000V和直流1500V及以下低压配电系统电气安全 防护措施的试验、测量或监控设备 第11部分：TT、TN和IT系统中剩余电流监视器（RCM）的有效性

Electrical safety in low voltage distribution systems up to 1000V AC and 1500V DC—Equipment for testing, measuring or monitoring of protective measures—Part 11: Effectiveness of residual current monitors（RCM）in TT, TN and IT systems