12-01-2017 02:27 PM
Hi all,
I just purchased a Wemo dimmer for my fireplace room and have run into trouble wiring it.
My previous dimmer was wired:
Wall Dimmer
Black Black
White White
Red Black
Green Green
When I wire the WEMO Dimmer in similar fashion (Red to Red) I get nothing.
Here are my test cases.
Any thoughts on how to get this to work?
Wall | Green | White | Red | Black | Switch On | Lights On | |
Test 1 | WEMO | Green | White | Red | Black | Fail | |
Test 2 | WEMO | Green | White | Black | Red | Fail | |
Test 3 | WEMO | Green | Red | Black | White | On | Fail |
Test 4 | WEMO | Green | Red | White | Black | On | Fail |
Test 5 | WEMO | Green | Black | Red | White | Fail | |
Test 6 | WEMO | Green | Black | White | Red | Fail |
Solved! Go to Solution.
12-02-2017 03:08 PM - edited 12-02-2017 03:09 PM
Just tested the wall with a volt meter I have:
Black = Neutral
White = Nothing
Red = Hot
Green = Ground
Previous home improvers is my guess
Can I install it?:
Wall Wemo Dimmer
Black White
Red Black & Red
Green Green
12-02-2017 06:37 PM
It could be "power through fixture" style wiring (which is still to code), if so it won't work there. Also double check that it's not a three way switch as that is another reason it might have a red. If it was messed up wiring then probably test 6 would have worked. You might want to double check the wiring in the fixture to confirm it's what you expect.
12-04-2017 01:27 AM
With regard to this matter, this link might be of help. However, we suggest that you contact your local electrician for further assistance.
12-04-2017 03:12 PM
Just checked it is a power through fixture style. Darn I really like the ease of use of this dimmer.
02-05-2019 09:57 PM
02-09-2019 04:57 PM
If you have red, white and black connections to a non-wemo switch, then you have a multi-way switch. Red is called a runner. The runner allows any switch in the group to turn a light on or off.
While Red may be hot, it is not the same as a black wire (power or line in), and the two should not be crossed.
A Wemo Dimmer will not work properly with a three-way switch.
(or at least I haven't figured out how to get it to work)