GB/T 19212.24-2020
ActiveSafety of transformers, reactors, power supply units and combinations thereof—Part 24:Particular requirements and test for transformers and power supply units for construction sites
变压器、电抗器、电源装置及其组合的安全 第24部分:建筑工地用变压器和电源装置的特殊要求和试验