On Saturday, 1 February 2020 22:33:58 UTC, PeterC wrote:
As I use most of the elements from not a lot to close to never I try to
remember to turn them on once a year to keep them dry. That's when I have to
be careful - diversity doesn't apply!

I'm not sure I remember diversity after cleaning the hob.

It's on a 13 amp plug (temporarily since 2016). Hasn't blown yet though.

Owain