SNI 04-6545.4-2001
1000V交流和1500V直流的低壓配電系統(tǒng)的電氣安全. 防護測量的試驗、測量和監(jiān)測設(shè)備. 第4部分：接地電阻和等電位接地電阻
Electrical safety in low voltage distribution systems up to 1000 V a.c. and 1500 V d.c. - Equipment for testing, measuring or monitoring of protective measures. Part 4: Resistance of earth connection and equipotential bonding