@rantingsteve @artemis@vulpine.club Sticking a voltmeter in an outlet is a perfectly acceptable way of doing things, but a kill-a-watt is handy!
https://www.amazon.com/P3-P4400-Electricity-Usage-Monitor/dp/B00009MDBU/ref=sr_1_5_mod_primary_new?keywords=kill-a-watt&qid=1639251392&sbo=RZvfv%2F%2FHxDF%2BO5021pAnSA%3D%3D&sr=8-5 this is the official/original one, and the one we have, but it seems it got much more expensive at least on amazon lately? that P3 logo means it's one of the original ones, I can't vouch for the reliability of the clones but it's not a terribly complex device
-F