Transformers! Not Hollywood's version. There are transformers all around you at any given moment. From our 24v hvac controls, to service lines coming into buildings, to every electronic, and your phone chargers, they generally take a higher voltage and reduce it to a lower, safer, usable voltage to use in controls or charging. They work through electromagnetic induction. So in this video we show how they operate by applying various voltages and measuring the outputs. I'm a firm believer in break