I’m going to roll this WishList request into the existing main item. @Nilsgokemeijer, please “Like” the original post for that request, here:
To answer your question, most of the original detection for 240V loads was done a leg / phase at a time, and then merged the two. I think some of Sense’s newer detection methods for EVs and using progressive device detection looks more closely at both legs/phases simultaneously (common mode transitions) for detection. More on progressive device detection here: