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 Post subject: Light switch wiring
PostPosted: Thu Jan 31, 2019 6:46 pm 
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I'm after some advice. i'm replacing a 2 gang dimmer switch with a fancy touch panel one. The switch is 2 gang 1 way which is what I need. Its for two sets of spot light.

My question is my old switch seems to be a 2 gang 2 way setup. With two separate common wires. However my new switch has only 1 common port. How do I wire this?


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 Post subject: Re: Light switch wiring
PostPosted: Thu Jan 31, 2019 6:48 pm 
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:welcomeuhm:

Pics of both the new and old switch please, the back not the front, and the wiring as is.

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 Post subject: Re: Light switch wiring
PostPosted: Thu Jan 31, 2019 9:30 pm 
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"Gang" refers to the number of buttons on a switch
"Way" means how many places can you turn a light on or off from (sort of)

In most rooms you turn the light on or off by a switch at the door.
Most Landings the light can be turned off from downstairs or upstairs.

So most rooms have 1 gang 1 way switch
Landings have 1 gang 2 way switch
(in the hall it is often 2 gang 2 way, one switch for the hall, and one switch for the landing)

So if your new switch is 2 gang 1 way, but your existing switch uses 2 gang 2 way, the switch is not compatible, BUT as wine~O said pictures of the back of the switches would help.

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 Post subject: Re: Light switch wiring
PostPosted: Fri Feb 01, 2019 9:52 pm 
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Thanks for the replies, here are some pics of the new and old light switch.

Old switch which has wires going to common and L1 on both sides. These turn on two separate sets of spot lights in the same room.
Attachment:
File comment: Old Switch
maxresdefault.jpg
maxresdefault.jpg [ 77.82 KiB | Viewed 521 times ]


New 2 gang touch panel switch. Only has one common and L1 and L2 how am I supposed to operate the switch independently?
Attachment:
File comment: New switch
GLSTouch_2G_Dimmer_Back-Black.jpg
GLSTouch_2G_Dimmer_Back-Black.jpg [ 43.98 KiB | Viewed 521 times ]


The wiring diagram for the new switch seems to indicate that I connect L1 and L2 (I guess these operate independent switches) and L=Live however with two live wires and only one connector.


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 Post subject: Re: Light switch wiring
PostPosted: Sat Feb 02, 2019 10:49 am 
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OK, so your old light switch is 2g 2 way but was only used as a 2g 1 way?

The way to wire the new switch up depends on how the existing switch was wired. There are many ways to wire a switch but if you post a picture or diagram of the existing circuit it should be easy to sort out. (on the new switch L is permanent live, L1 is the feed to light 1 and L2 is the fed to light 2).


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 Post subject: Re: Light switch wiring
PostPosted: Fri Feb 08, 2019 12:10 pm 
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I see the problem, old switch wired with separate permanent lines new switch wants to combine them, it could be as simple as joining both wires together, but without knowing where each light is fed from we can't be sure, and you need to be sure.


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