IEC 60974-12:20 22 RLV包含官方IEC国际标准及其红线版本。Redline版本仅提供英文版本，为您提供了一种快速简单的方法来比较IEC官方标准与其以前版本之间的所有变化。 IEC 60974-12:20 22适用于弧焊和相关工艺中使用的电缆耦合装置，设计用于无需使用工具即可连接和断开。这第四版取消并取代了2011年出版的第三版。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: -更新表1以包括100%占空比； -更新附件A以提供更多细节。

IEC 60974-12:2022 RLV contains both the official IEC International Standard and its Redline version. The Redline version is available in English only and provides you with a quick and easy way to compare all the changes between the official IEC Standard and its previous edition.

IEC 60974-12:2022 is applicable to coupling devices for cables used in arc welding and allied processes, designed for connection and disconnection without using tools. This fourth edition cancels and replaces the third edition published in 2011. This edition constitutes a technical revision. This edition includes the following significant technical changes with respect to the previous edition:
- updated Table 1 to include 100 % duty cycle;
- updated Annex A to provide more detail.