Dual Gang, wifi switch + combo 3W sw & receptacle


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Old 12-10-17, 03:03 PM
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Unhappy Dual Gang, wifi switch + combo 3W sw & receptacle

I'm looking to change my regular switch to a smart switch (successful) and another 3 way switch (controls hall lights along with 2 other switches) with a combo switch & receptacle.

Is my wiring correct (album linked shows diagram + present real box photo)? I have the switch/rec tab (between commons) pulled off to make 2 separate circuits on it.

I tried to wire it up already a couple of times, but the first time it didn't work at all and the second time, only the combo switch controlled the lights (the other hall light switches just momentarily flicked the lights).

Country is Canada.

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Last edited by PJmax; 12-10-17 at 04:57 PM. Reason: added pics from link
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Old 12-10-17, 05:00 PM
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Welcome to the forums.

I see your pictures. I labeled the second one A, B, and C.
I see that A is the two wire to the light.
I see that B and C are three wire cables. One of those is the three way switch line to another location. That means two of the wires in that cable are travelers. You didn't wire it to maintain the 3w travelers.

Do you know which cable is the 3w switch ?
 
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Old 12-10-17, 05:42 PM
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I know that B and C are the traveller 4 wires. The old switch had a white and 2 red travelers connected. The white cable is the one coming out of C as the blue wire nut is "old" and the orange are new that came with the A wifi switch *which is working fine and controling the outside lights).

Unfortunately dumb me forgot to take a pic BEFORE removing the connectors :S
 
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Old 12-10-17, 05:46 PM
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The travelers usually run in a single cable.

You had a single pole switch and a three way there originally ?
The travelers should be two different colors from one cable.
 
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Old 12-10-17, 06:24 PM
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Correct. It looked like so (linked) both red where top and botom via insert connect and the white was on one of the ajoined turn connectors.

<img src="https://i.imgur.com/KhBeExm.png" width="370" height="484"/>
 
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Old 12-10-17, 06:31 PM
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Based on the wiring I currently see in the box....

Black of C cable is connected to hot so it sends hot to the other 3w switch. Then it returns there on the red and white travelers.

Black of cable B is hot IN to that box. White is neutral IN to that box and red is the switched wire OUT to a light. That red would have been on the common of the three way switch.

If you post the part number for the switch I can draw a diagram.
It needs to be a 3way switch/receptacle combo.
 
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Old 12-10-17, 06:54 PM
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Pete (thanks for the welcome btw) do you have recommended hookups? The 3 way switch/rec i am using is the slightly older version of this: https://www.legrand.ca/radiant/produ.../rcd38trw.aspx (tab is not replaceable

Also to clarify B and C blacks are tied to the WIFI swtich black. Wifi switch BLUE enables the load(lamps outside)
 

Last edited by ToloCDN; 12-10-17 at 07:36 PM.
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Old 12-10-17, 07:35 PM
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N = neutral
L = light
T = traveler
H = hot
The grounds are not shown for clarity but need to be connected.

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Old 12-10-17, 07:56 PM
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THANKS Pete! I had a friend mention to me it may be a 4 way setup as there are 3 switches for the one set. The one I pictured (by front door), middle of hall (by basement entrance) and one at end of hall ( into living room area).
 
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Old 12-10-17, 08:12 PM
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If there are three switches then two of them are three way switches and the one wired in between those two is the four way switch. It will be a switch with four wires on it.
 
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Old 12-11-17, 05:18 PM
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We're super close! The receptacle works with no issue, but the switch has to be on for the other 2 in the hall to work (either of the two can turn the lamps on or off). I think (and of course correct me if I'm wrong) but the grey traveller has to connect to the red light common or vice versa (light red to white traveller)?

Small diagram correction the white T and the Light Common are physically swapped on the switch.
 
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Old 12-11-17, 05:32 PM
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I'm showing the red from cable B as the common to the switch.
Are you saying that is wrong ?

The traveler is white. I use gray on the white background. You wouldn't see white.

If the two travelers are in TWO different cables then you are basically on your own as that is completely wrong.
 
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Old 12-11-17, 05:49 PM
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No your diagram is correct just the actual location/picture of the screw on the picture are opposite of the physical switch. The common screw is mid switch right side and the traveller is top right (so the wires are as you drew on the coloured screws, but are actually swapped on the real switch - black screw is middle and silver/brass screw top right).
 
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Old 12-11-17, 05:56 PM
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I redrew the picture to better explain:

<img src="https://i.imgur.com/XgbcpzZ.png" width="819" height="460"/>
 
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Old 12-11-17, 06:44 PM
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I used the picture you told me looked like yours. That why I specifically put a C at the common screw.

Just FYI.... then you work with three way switches.... the common/dark screw can be in any location. Every manufacturer puts it in a different place. As long as you match C to C.... it will always work.
 
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Old 12-11-17, 07:22 PM
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I figured it was a test I wired it up like you drew but only noticed it when I went to go wire it up that they had the screw locations inverted. The legrand site must have the really new version. Here is the relevant pic from the install pamphlet. As noted in post one way back, the TAB was removed (should it have remained?)



Full install pdf here:
https://hw.menardc.com/main/items/me...RCDInstall.pdf
 
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Old 12-11-17, 09:36 PM
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No.... the tab needed to be removed. If you left the tab connected you would have created a connection from always live to the light. That wouldn't be good.
 
 

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