IEC 60079的这一部分是一项技术规范，它为在爆炸性环境中使用的设备提供了指南，这些环境可能包括低于-20摄氏度的环境温度和其他不利条件，包括海上应用。购买本文件时可获得的所有当前修订均包含在购买本文件中。

This part of IEC 60079, which is a Technical Specification, provides guidance for equipment for use in explosive atmospheres in environments which may include ambient temperatures below -20 degrees C, and additional adverse conditions, including maritime applications.All current amendments available at time of purchase are included with the purchase of this document.