IEC 60079-33:2012给出了评估和测试的具体方法，以及电气设备、电气设备零件和具有特殊保护“s”的防爆部件的标记要求。IEC 60079的本部分适用于采用IEC 60079系列中任何现有标准未涵盖的保护方法的电气设备，以及采用一种或多种公认保护类型的电气设备，其设计和结构不完全符合该保护类型的标准，预期用途不在保护类型标准范围内的电气设备。 关键词:电气设备、具有特殊保护“s”的防爆部件的标记要求。

IEC 60079-33:2012 gives the specific methodology for the assessment and testing, and requirements for marking of electrical equipment, parts of electrical equipment and Ex components with special protection "s". This part of IEC 60079 applies to electrical equipment employing a method of protection not covered by any existing standard in the IEC 60079 series, electrical equipment employing one or more recognized types of protection where the design and construction is not fully compliant with the standard for the type of protection, electrical equipment where the intended use is outside the parameters of the scope of the standard for the type of protection. Key words: requirements for marking of electrical equipment, Ex components with special protection "s".