Yup, this is the proper use for connecting an appliance. Our washer and dryer are in the house but from my computer I can't hear the dryer, the washer doesn't even make a noise. (Note that we've had these for more than two decades, they're dumb by modern standards.) I've been wondering why somebody doesn't make a smart plug that can send a notification when it's connected appliance draws power in a specified fashion. (Both would be fine by setting a minimum power to activate, then below it for a specified period. Washer: The threshold would be set below the power the agitator draws. The delay would cover the rinse fill time. Dryer: Threshold for the motor that runs the drum, immediate trigger if it stops.)