In a 3 way switch, the first switch that gets the power from the main panel is the master switch. You need to take off the both the switches and check with a volt detector which one has a hot wire, that’s the master. Only one should have a hot cable if all the switches in the circuit are taken off and unwired.
You should do asmr ur voice is soothing
Explanation about the master switch where the Smart switch will be placed.
In a 3 way switch, the first switch that gets the power from the main panel is the master switch. You need to take off the both the switches and check with a volt detector which one has a hot wire, that’s the master. Only one should have a hot cable if all the switches in the circuit are taken off and unwired.
Hi there why we can use both treatlife switches? So only using one treatlife 3 way and the other has to be regular 3 way?