GOST R 54127-4-2011 小于1000 V交流和1500 V直流的低压配电系统.电气安全.防护措施的测试、测量或监控用设备.第4部分:接地和等电位连接电阻
Low voltage distribution systems up to 1000 V a.c. and 1500 V d.c. Electrical safety. Equipment for testing, measuring or monitoring of protective measures. Part 4. Resistance of earth connection and equipotential bonding