Bad power harmonics ![Smile :) :)](data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7)
www.bloomberg.com
![www.bloomberg.com](https://assets.bwbx.io/images/users/iqjWHBFdfxIU/iVUgTEeOEEbY/v1/1200x800.jpg)
Chicago Is Worst Area in the US for ‘Distorted’ Power Supplies
Problems plaguing power supplies to more than 5 million US households threaten to reduce efficiency and damage home appliances, with Chicago the worst-affected area.
![www.bloomberg.com](https://www.bloomberg.com/favicon-black.png)