Re: Plot twist? What plot twist?
"I'm going to go out on a limb here and say that we all saw this coming."
I was going for - he somehow managed to use an extension lead to join two phases.
We had a server basement broom cupboardroom where somebody needed a couple more 240v outlets and so had knocked a hole in the drywall and run an extension from another room - on a different phase. Server and monitor on 415V difference in supply - strangely nothing went wrong.