The National Electrical Manufacturers Association (NEMA) has published ANSI C12.20-2010, "American National Standard for Electricity Meters—0.2 and 0.5 Accuracy Classes." The standard, last published ...
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PiggyMeter is a wonderful example of a device that you never knew you needed – simple, elegant, easy to build, and accompanied by amazing documentation. It’s a snap-on interface for electric meters, ...
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