Laundry notifications?

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I have my washer plugged into a smart plug with energy monitoring so when the energy use drops to the baseline off power demand for a few minutes, I get a notification that the washer is finished.

For my electric dryer, I have a vibration sensor mounted on the housing and when the vibration drops to the baseline off vibration for a few minutes, I get notification that the dryer is finished.

These are some of my wife’s favorite automations I have setup.


What a nice solution for the dryer!

I’m still looking for a solution to see if my electric stove is turned on.

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I think a clamp on type power meter would be 1 way to do this. It could installed in the circuit breaker panel or possibly in the back of the stove.

This would also work for an electric dryer.



Last time I checked it wouldn’t work with three phases (lines) because they would cancel each other out. But I’ll give it a try.

Residential electric stoves and dryers in North America are 240 volt, Single Phase, Split Bus. The device in my link would work with that.

If Europe stoves are 3 phase, these devices would not work. You would need to find a similar 3 phase variation, which would have 3 clamp on current taps.


Aeotec also offers a three phase version of that device in Europe.

See the wiring diagrams in the user manual:

That said, I believe it will only work for this use case if the appliance is on an isolated circuit. In particular, if the washer and dryer are on the same circuit, It may be hard to get the correct notifications.


Have you already found a solution to this?

From Three-phase electric power - Wikipedia

In many European countries electric stoves are usually designed for a three-phase feed with permanent connection. Individual heating units are often connected between phase and neutral to allow for connection to a single-phase circuit if three-phase is not available.

So stove’s each plate is connected to single phase. Three-phase coupling is only for load balancing. You can find out if the stove is on by measuring the current in each phase. Current-measuring clamps must be installed to measure phase conductors’ current (not total current). Since the currents of the different plates are not the same, measuring the current of the neutral conductor alone may also be sufficient to determine whether the stove is on.

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Keep in mind the neutral carries the difference current between phases. In other words, if Phase A is drawing 200 watts, and Phase B is drawing 150 watts, the neutral is carrying 50 watts. (Okay, three phase won’t exactly cancel like a single phase 240v line with separate 120v elements between each side and neutral–but the point is the neutral isn’t representative of the total load draw.)


I think I’ll try it with a clamp and hope that it measures something to distinguish between on and off.