Home / Standards / GB/Z 22721-2008 GB/Z 22721-2008 Active Guidance for the correct use of residual current-operated protective devices (RCDs) for household and similar use 正确使用家用和类似用途剩余电流动作保护电器(RCD)的指南 Standard Type GBZ ICS 29.120.50 CCS K31 Status 现行 Issue Date 2008-12-30 Implementation N/A Responsible Dept 中国电器工业协会 Drafting Unit N/A