Electrical meter hacking

There was an urban legend back in the days of mechanical electricity meters, that there were “lucky” appliances that once plugged in would make the meter go backwards. That was not practical.

Even modern meters be fooled into doing strange things though, as a team at the University of Twente have demonstrated by making modern meters run backwards with some electromagnetic interference from a dimmer switch.

Electromagnetic Interference For Fun And Profit
https://hackaday.com/2021/08/22/electromagnetic-interference-for-fun-and-profit/

How to Earn Money with an EMI Problem: Static Energy Meters Running Backwards
https://research.utwente.nl/en/publications/how-to-earn-money-with-an-emi-problem-static-energy-meters-runnin

Research paper
https://ris.utwente.nl/ws/portalfiles/portal/263929998/2021_EMC_Europe_Static_Energy_Meters_Running_Backwards.pdf

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