爆炸性环境第1部分:防爆外壳“d”UL 60079-11范围IEC 60079标准的这一部分包含了防爆外壳“d”类型电气设备的结构和测试的具体要求，用于爆炸性气体环境。本标准补充和修改了IEC 60079-0的一般要求。如果本标准的要求与IEC 60079-0的要求冲突，则以本标准的要求为准。1DV。2.1美国版IEC 60079-1不包括对I组电气设备的要求。本文件中包含的I类电气设备的要求在出现的所有情况下均应视为省略。 如果参考IEC 60079标准，这些标准中的参考要求应适用于任何适用的美国国家差异。

Explosive Atmospheres - Part 1: Equipment Protection by Flameproof Enclosures "d"UL 60079-11 ScopeThis part of IEC 60079 standard contains specific requirements for the construction and testing of electrical equipment with the type of protection flameproof enclosure "d", intended for use in explosive gas atmospheres.This standard supplements and modifies the general requirements of IEC 60079-0. Where a requirement of this standard conflicts with a requirement of IEC 60079-0, the requirement of this standard will take precedence.1DV.2.1 The U.S. version of IEC 60079-1 does not include requirements for Group I electrical apparatus. Requirements for Group I electrical apparatus included in this document are to be considered omitted in all instances where they appear.Where references are made to IEC 60079 standards, the referenced requirements found in these standards shall apply as modified by any applicable U.S. National Differences.