IEC/TS 62441:2011引入了安全措施，以降低由于蜡烛火焰导致家庭中可能使用的音频/视频和信息通信技术产品的外壳意外点燃而导致房间闪络的可能性。IEC 62441的第二版取消并取代了2006年发布的第一版，构成了技术修订。与上一版相比，此版本包括以下技术变更: -接受最小厚度相当于V-1的木材； -关于垂直表面的解释信息。

IEC/TS 62441:2011 Introduces safeguards to reduce the likelihood of room flash-over as a result of accidental ignition of exterior housings of audio/video and information communication technology products likely to be used in the home, caused by a candle flame. This second edition of IEC 62441 cancels and replaces the first edition published in 2006 and constitutes a technical revision. This edition includes the following technical changes with respect to the previous edition:
- acceptance of wood with a minimum thickness as equivalent to V-1;
- interpretation information regarding vertical surfaces.