These Things Take Time...

[securespark]

This has been cooking for the past 14 years... It was feeding a conservatory socket and had been threaded through some brickwork, getting damaged in the process. The lady rang because the conservatoire had gone off and there were "strange pops and flashes" coming from the room.

 

[Guitarguy]

oo err

 

[RF Lighting]

That loks almost identical to the piece of 1.5mm² I connected to my welder

 

[spark1]

No RCD protection there then ?

 

[securespark]

To answer your points in order:

Indeed!

Yes it does!

None at all. A fire waiting to happen.