This device will save you up to 50% on your electrical bill. It works with inductive loads such as transformers and motors. Unlike some power saver devices this one works on both legs comming in to your home or shop and does not reduce the voltage supply. You get full power and the device your running will run er and threfore last longer with our power saver attached. For more informatino conta smcdonal@kos.net says: For more informatino con