Well, if you're plagued by LF interference from a "Smart Meter" wattmeter, and you live in Maine, you have an option: http://www.pressherald.com/news/puc-wont-review-cmps-choice-of-smart-meters_2011-04-07.html Yes, folks, you can have them remove the thing because you think it is hazardous to your health! John, W1TAG