RCBO teardown and destruction

[MJNewton]

I was trawling the Internet to find out what the functional earth found on some RCBOs was for and stumbled across the following video that explained it along with a full teardown of how everything works, a demo of the bimetallic strip and arc arrestor in action before then finally overloading it to destruction:

 

 

Thought it might be of interest to others!

Edited August 3, 2019 by MJNewton

[Dreadnaught]

That video was memorising! 

 

It is fascinating to see the intricacy and precision of the mechanical design of such a seemingly mundane object, and the skill and knowledge of the fellow in the video. Impressive.

[Onoff]

8 minutes ago, Dreadnaught said:

That video was memorising! 

 

It is fascinating to see the intricacy and precision of the mechanical design of such a seemingly mundane object, and the skill and knowledge of the fellow in the video. Impressive.

 

And mesmerising at the same time... ?