Wow!ever seen anything like this? Dryer vent changed over to that thin aluminum paper like flex vent. Basically disintegrated.
A bad GFCI in another part of the house had all the water lines energized.
I think it arced from the copper to the vent and disintegrated.
It was new, so there was not any lint to catch fire.
You probably could not reproduce that in a million years...:laughing: