On 30/12/2020 19:10, JohnP wrote:
ARW wrote in news:Nd4HH.155906$GUR9.144313
@fx16.ams4:

https://www.icloud.com/sharedalbum/#B0zGf693Zhiyh7

/Or had the screw been missing and it had been arcing for ages?


It looks more like a short than a lot of arcing.

ie too much melted metal and soot as opposed to a overheat that would
normally be caused by arcing.



--
Adam