IEC 60794-1-2:2021可用作:；IEC 60794-1-2:2021 RLV；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 60794-1-2:2021适用于与采用类似技术的电信设备和装置一起使用的光纤电缆，以及光纤和电导体结合的电缆。本文件的目的是定义适用于IEC 60794-1（所有部分）所有电缆试验方法的一般要求和方法指南。本文件的第二个目标是向最终用户提供IEC 60794不同部分中包含的不同试验方法的概述- 1系列。第五版取消并取代2017年出版的第四版。本版为技术修订版。本版本包括与前一版本相比的以下重大技术变更: -增加交叉参考表，列出新试验方法编号和以前的试验方法编号。

IEC 60794-1-2:2021 is available as;IEC 60794-1-2:2021 RLV;which contains the International Standard and its Redline version, showing all changes of the technical content compared to the previous edition.IEC 60794-1-2:2021 applies to optical fibre cables for use with telecommunications equipment and devices employing similar techniques, and to cables having a combination of both optical fibres and electrical conductors. An objective of this document is to define general requirements and methodology guidance applicable to all of the cable test methods of IEC 60794-1 (all parts). A second objective of this document is to provide the end user with an overview of the different test methods contained in the different parts of the IEC 60794-1 series. This fifth edition cancels and replaces the fourth edition published in 2017. This edition constitutes a technical revision. This edition includes the following significant technical change with respect to the previous edition: - addition of cross-reference tables listing the new test method numbers and the previous test method numbers.