> by the time there is enough gap for your fingers to slip onto the metal, all the pins will be fully disconnected from the socket I think this should read "by

> by the time there is enough gap for your fingers to slip onto the metal, all the pins will be fully disconnected from the socket I think this should read "by the time the metal parts of the line and neutral pins are exposed, they have been disconnected from the mains". (I.e. nothing to do with the width of the gap/fingers.)