[zdragnar]

There are a lot of devices that have reasonably distinct patterns to their power consumption. Motors- especially well pumps, but also large central air fans and some others- are going to look very different from a microwave or vacuum cleaner or refrigerator, especially if you have time of day on your readings.

Constant lower draw devices- chargers, lights, speakers and such- are going to be harder to distinguish, though.

[aix1]

Turns out it's a (somewhat) active area of research.

https://ubicomplab.cs.washington.edu/pdfs/electrisense.pdf

https://www.researchgate.net/publication/266461208_Multimedi...

https://www.mdpi.com/1996-1073/14/9/2485