为了正确了解可燃性粉尘环境用电气设备以及粉尘危险环境等级的划分,以便正确选择粉尘危险环境电气设备,本文现将该系列标准GB12476·□—2000以及IEC相关标准介绍如下,并对目前应用中与现行《爆炸和火灾危险环境电力装置设计规范》GB50058-1992中不一致之处做出对比表,并提出过渡实施办法,供设计者参考。 In order to correctly understand the electrical equipment for combustible dust environment and the classification of dust hazard levels in order to properly select the electrical equipment dust hazard environment, this article now the series of standards GB12476 · □ -2000 and IEC-related standards are introduced below, and the current application And the current “explosion and fire hazard power plant design specifications” GB50058-1992 inconsistencies in making a comparison table, and put forward the implementation of the transition approach for the designer’s reference.