How to hook up an electrical timer...using only one set of wires

http://www.VideoJoeKnows.com How to hook up an electrical timer, with one set of wires, can be done. Doesn't an electrical timer need 2 hot (black) wires for the timer to work properly?....how are you going to hook up the electrical timer with one white neutral wire & one black hot wire? Doing this trick will help you when connecting up any electrical timer, with only one set of wires. Watch this video to see what "joe" is up to & how he is going to hook up an electrical 4 hour timer, using just one set of wires in one romex cable. http://www.VideoJoeKnows.com