10 wires, 4 holes...

Dan&sarah · Post by **Dan&sarah** » Mon Dec 11, 2023 8:58 pm

Have wired a few basic switches but come across a bit of a mix that I don't know where to begin. Have tried to get in contact with a couple.of electricians to do the job but all fully booked. I'm capable of following instructions (sometimes) so hoping someone can help

I have attached 2 pictures. One of the current 2 gang 2 way wiring

: Current; 20231208_200446.jpg (192.53 KiB) Viewed 16070 times

and the other of the socket I wish to fit. The black from.the 2 core and outside light blue are joined.

: New; 20231211_205628.jpg (157.84 KiB) Viewed 16070 times

There is a 4 core wire to an outside light on left and 4 core to a 2 way landing light on right. I am unsure of the 2 core routing.

The switch I am fitting has L(A) L1, L2 and B.

Any help would be greatly appreciated

Daniel

Someone-Else · Post by **Someone-Else** » Mon Dec 11, 2023 9:19 pm

That is a 2 gang 2 way smart switch. It is not compatible with what you have. You would be better off installing a smart lamp.

Dan&sarah · Post by **Dan&sarah** » Mon Dec 11, 2023 9:54 pm

Someone-Else wrote: ↑Mon Dec 11, 2023 9:19 pm That is a 2 gang 2 way smart switch. It is not compatible with what you have. You would be better off installing a smart lamp.

Could you explain why in layman's terms? It may explain why I couldn't figure it out though. Haha. The switch is sold as a 2 gang 2 way switch.

And thank you

Someone-Else · Post by **Someone-Else** » Tue Dec 12, 2023 10:27 am

They do not "speak" the same language.

Bob225 · Post by **Bob225** » Tue Dec 12, 2023 8:53 pm

to wire that type of switch you need to have a master switch and a slave switch, you can utilize the existing wiring

https://ilumos.com/pages/2-way-wiring

your current switch is 2 gang - 1 gang is 2 way and the other gang is 1 way

the switch you have purchased is 1 gang 2 way by the looks of it

Dan&sarah · Post by **Dan&sarah** » Fri Dec 15, 2023 8:16 pm

Nope, it's definately the 2 gang 2 way I bought. I have the slave switch which is the same without the L2.

Dan&sarah · Post by **Dan&sarah** » Fri Dec 15, 2023 8:18 pm

Bob225 wrote: ↑Tue Dec 12, 2023 8:53 pm to wire that type of switch you need to have a master switch and a slave switch, you can utilize the existing wiring

<span class="skimlinks-unlinked">https://ilumos.com/pages/2-way-wiring</span>

your current switch is 2 gang - 1 gang is 2 way and the other gang is 1 way

the switch you have purchased is 1 gang 2 way by the looks of it

I have seen that link but couldn't work out which wires to use fom the diagram

ericmark · Post by **ericmark** » Sun Dec 17, 2023 11:05 am

Two way wiring with standard switches can use two main methods to wire them, one needs a connector in the back box the other does not, so this

: two-way-real.jpg (32.97 KiB) Viewed 15897 times

is the preferred method, but this

: two-way-school-boy-cables.jpg (28.69 KiB) Viewed 15897 times

will work.

However with electronic switches the first method seems to be used, but the com wire does not carry 230 volt but a signal from the slave switch, so one has to follow the wiring diagram which comes with the electronic switch.

Also counting wires on original it seems you have two gang, and on new either it is only one gang, or it is using wireless connection to the slave, I was surprised not to see a wiring diagram on web site at first. but it did say:-

"Note: I LumoS 2 Way Switches can only work with another I LumoS 2 Way Switch and will not work with Mechanical Switches. I LumoS 2 Way Dimmer switch must be connected to another I LumoS 2 Way Dimmer Switch. A 2 Way Dimmer cannot work with a 2 Way On/Off by design. All I LumoS 2 Way Switches can also be used as an intermediate switch to create a 3 Way and 4 Way system. Please refer to the 2 Way and 3 Way Technical Support page for further assistance with wiring and operation."

On hunting further I did find the wiring diagram and it shows only 2 wires go switch to switch, not three as with mechanical switches.

Bob225 · Post by **Bob225** » Sun Dec 17, 2023 6:13 pm

Do you have a pic of the front of the switch

your current switch

The 2 way circuit is (C) yellow, (L1) blue and (L2) Yellow

The 1 way circuit Is (C) 2x red, (L1) single Red

what wires do you have at the other switch as you have a twin and earth and 2 triple and earth cables

Dan&sarah · Post by **Dan&sarah** » Sun Dec 17, 2023 8:03 pm

Thank you all for your help. I have an electrician lined up for in a couple of weeks if I can't figure it out. I don't like giving up though. Haha

Bob225 wrote: ↑Sun Dec 17, 2023 6:13 pm Do you have a pic of the front of the switch

your current switch

The 2 way circuit is (C) yellow, (L1) blue and (L2) Yellow

The 1 way circuit Is (C) 2x red, (L1) single Red

what wires do you have at the other switch as you have a twin and earth and 2 triple and earth cables

The current switch is just a typical 2 switch.

The front of the I lumos is

: 20231217_195404.jpg (178.16 KiB) Viewed 15756 times

The other switch is below. The right hand side is the same light

: 20231217_195157.jpg (182.72 KiB) Viewed 15756 times

Bob225 · Post by **Bob225** » Mon Dec 18, 2023 7:42 pm

It gets even more complex as you have another 2 way circuit

L is your common live, L1 and B is the 2 way

L2 is your 1 way circuit

Dan&sarah · Post by **Dan&sarah** » Mon Dec 18, 2023 8:54 pm

Bob225 wrote: ↑Mon Dec 18, 2023 7:42 pm It gets even more complex as you have another 2 way circuit

L is your common live, L1 and B is the 2 way

L2 is your 1 way circuit

Thank you very much. Really appreciate it

Dan&sarah · Post by **Dan&sarah** » Tue Jan 16, 2024 10:04 pm

All fitted and working well. For anyone having issues in the future these require a light fitting to actually be wired up. They seem to check for load via the electronics in the switch. Took us a while to figure that out.

Bob225 · Post by **Bob225** » Wed Jan 17, 2024 9:44 am

The triac/mosfet needs a load to operate as it uses a common live between 3 way, no neutral also makes it more complex