By Samurai Appliance Repair Man, www.Appliantology.org
All appliance repair techs should understand the split-phase household electrical power supply that they deal with on a daily basis. It just takes a little high school math and science, which the Samurai explains to you along with lots of helpful images. AC voltage is just one of many things in the real world that can be represented on an oscilloscope as a sine wave. In this article, the Samurai de-mystifies AC split-phase voltage and how sine waves and oscilloscopes are used to represent and understand it. Come with me now on a Journey of Total Appliance Enlightenment…
http://appliantology.org/blogs/entry/919-whats-your-sine-how-sine-waves-are-used-on-oscilloscopes-to-represent-the-real-world/