Home / Standards / GB/Z 44472-2024 GB/Z 44472-2024 Active Explanation of the mathematical addition of working voltages, insulation between circuits and use of PELV in lighting standards 照明标准中工作电压数学加法、电路间绝缘和PELV使用的说明 Standard Type GBZ ICS 29.140.01 CCS K70 Status 现行 Issue Date 2024-10-26 Implementation N/A Responsible Dept 中国轻工业联合会 Drafting Unit N/A