On Mon, 27 Jul 1998, Paul B. Webster VK2BZC wrote: - snip - > In summary, it is little surprise that the live contact overheats by > preference, *on a switched outlet*. I doubt you will observe the > phenomenon on an unswitched outlet except *of course* where this is used > with a previously damaged plug. So sorry to burst your bubble, but I was talking about our plugs (which I have drawn before) and Euro amd Schukos. These are all symmetrical, there is no physical difference between the attachments. The effect exists, but I have no statistical data to confirm it... and I never implied anything but brand new plugs used normally for a few years. Peter