Jerry and Chuck, After thinking it through some more, it looks like the way to go is Jerry's original neon light suggestion. I was trying to avoid another Radio Shack electrical hobby box project, but guess it will have to be part of the fun on this observing skill. - Kurt http://www.radioshack.com/product/index.jsp?productId=3014501 http://www.radioshack.com/product/index.jsp?productId=2102794