IEC 60598-2-20:20 22作为IEC 60598-2-20:20 22 RLV提供，其中包含国际标准及其红线版本，显示了与上一版本相比技术内容的所有变化。IEC 60598-2-20:20 22规定了配备串联、并联或串联/并联连接光源组合的照明链的要求，用于室内或室外，电源电压不超过250 V。这第五版取消并取代了2014年出版的第四版。本版构成技术修订版。与上一版相比，此版本包括以下重大技术变更: -增加了关于临时安装的保护照明（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.