can someone please help me find this quote?

[Mike]

No: HPFGUIDX 181258

> zanooda
> 
> Mike, this conversation is in GoF, "The Madness of Mr.Crouch" 
> chapter, p.548 Am.ed. It's when HRH discuss methods of bugging :-).
> Hermione says that electronic equipment doesn't work at Hogwarts,
> according to "Hogwarts: A History". I'm still not sure it's the
> quote we are supposed to be looking for, though ...

Mike:

Yeah Mila, that's the one I was thinking of! :) I was looking in the 
wrong books, but I came pretty close on the quote. ;)

So, Ivy, are any of these quotes on this thread the one you were 
looking for?