In my youth I was once an electrical apprentice (a grunt - six grunts equals a mule) at the old Oak Ridge Gaseous Diffusion Plant ( http://www.flickr.com/photos/cheneworth/2674798931/ ) . One of the things in my tool pouch was a Wiggington Voltage Tester, a Wiggy.
A few years ago my neighbor inherited a garage full of tools from his late brother and this Wiggy was in one of the tool boxes. Today he gave it to me as a pleasant reminder of the old days.
voltage testerWiggyWiggingtonLulu & Ken, from