IEC 60598-2-20:2022可通过以下方式获得:；IEC 60598-2-20:2022 RLV；其中包含国际标准及其红线版本，显示了与前一版本相比技术内容的所有变化。IEC 60598-2-20:2022规定了室内或室外电源电压不超过250 V的串联、并联或串并联光源组合照明链的要求。第五版取消并取代了2014年发布的第四版。本版为技术修订版。与上一版相比，本版包括以下重大技术变更: -增加了临时安装的受保护照明（TPL）链的具体规定； -增加了新的术语和定义。

IEC 60598-2-20:2022 is available as;IEC 60598-2-20:2022 RLV;which contains the International Standard and its Redline version, showing all changes of the technical content compared to the previous edition.IEC 60598-2-20:2022 specifies requirements for lighting chains fitted with series, parallel or a combination of series/parallel connected light sources for use either indoors or outdoors on supply voltages not exceeding 250 V. This fifth edition cancels and replaces the fourth edition published in 2014. This edition constitutes a technical revision. This edition includes the following significant technical changes with respect to the previous edition: - specific provisions for temporarily installed protected lighting (TPL) chains have been added; - new terms and definitions have been added.