Hi Gang, found some more facinating videos on YouTube, for example:

Short circuit on Tubular Bus

Amazing, the forces that are generated in this test!!

and

Failure of a 230kv switch, not the same old one...!!

There are a lot more, including this:

Accident in Nogales Substation

It appears from the flash at the right of the screen at the very start of the clip that either they closed into a faulted piece of equipment or an animal contact occurred. (From the comments, and what limited Spanish I understand, it seems as though this was man-made. \:\) )

The same user has clearer video of the aftermath and firefighting posted too.

All reminders of what can go wrong.....be safe!!
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Stupid should be painful.