IEC 60079-48:2023是一项技术规范，为所有者或操作员在需要设备防护等级(EPL)Gb、Gc、Db或Dc的危险区域使用便携式或个人电子设备提供指导，否则无法通过证书进行商业销售。 本文件不适用于: ？在危险区域使用期间电连接到固定设备或固定布线的设备，例如通过插头和插座连接到房屋布线系统的铅灯， ？具有在危险区域使用证书的便携式或个人设备， ？可运输设备， ？第一类应用中使用的便携式或个人设备， ？电池供电的工具，如钻头和锯子， ？在需要EPL Ga或Da设备的区域使用的便携式或个人设备， ？医疗器械。 本文件不涉及将便携式或个人电子设备用于其他安全方面的其他考虑因素，例如，分散对重要工作任务的注意力、对测量和控制设备的射频干扰或医疗问题。 本文件补充了IEC 60079-14中关于在危险区域使用无证书的个人或便携式设备的使用指南。

IEC 60079-48:2023, which is a Technical Specification, provides guidance for an owner or operator for the use of portable or personal electronic equipment to be used in hazardous areas requiring Equipment Protection Level (EPL) Gb, Gc, Db, or Dc that are not otherwise commercially available with a certificate.
This document does not apply to:
？ equipment that is electrically connected to fixed equipment or fixed wiring during use in the hazardous area, for example a lead light connected to the premises wiring system by a plug and socket,
？ portable or personal equipment with a certificate for use in a hazardous area,
？ transportable equipment,
？ portable or personal equipment used in Group I applications,
？ battery powered tools, such as drills and saws,
？ portable or personal equipment used in areas requiring EPL Ga or Da equipment, or,
？ medical devices.
This document does not address other considerations involving the use of portable or personal electronic equipment for other aspects of safety, for example, creation of a distraction from important work tasks, radio frequency interference with measurement and control equipment, or medical issues.
This document supplements the guidance in IEC 60079-14 regarding the use of personal or portable equipment without a certificate for use in hazardous areas.