Its impossible to say for sure based on this information alone. Neutral wire the wemo light switch requires this wire but isnt always present in your electrical wiring at home.
Belkin Official Support Wiring Diagrams Of Wemo Wifi Smart
Wemo light switch installation no neutral. Its normally green or copper in color. Wemo light switch installation no neutral. The home automation switch wemo has a wire for ground not necessary neutral and 2 wires for the switch. This typically means you will need to open holes in your wall to pull the new wire. Odds are this wont work with the wemo switch without running new electrical. If present the neutral wire is normally found within the wall box with a wire nut on top of it.
Use a different smart switch the lutron smart dimmer if you dont have the existing neutral in the switch box you will need to pull shielded romex wire to electrical box. Ground wire if present it should be plugged into the top of the light switch here. Sounds like this switch is just wired to cut the hot and the neutral is never pulled back from the fixture it is controlling.
Gallery of Wemo Light Switch Installation No Neutral
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