Stairway lighting problem.

[Francis Murphy]

Hi, I’m looking for advice for wiring the stair way lighting.

There are two lights one at the top and one at the bottom. Downstairs has a two gang switch. Upstairs has a one gang switch.

I’ve forgotten to take the photo of downstairs when replacing switch. Ive wired it for one switch to work and the downstairs light is working. The upstairs doesn’t have any Live according to the multimeter.

I’ve attached photos of it.

the photos show the two switches and the ceiling wiring for up stairs.

A2C07997-5D54-4473-A34D-CE03BD921597

• Francis Murphy
• 12 Jul 2020

Ceiling light.

EC57AE1D-71FD-47BB-81A0-E4354DA4F2EF

• Francis Murphy
• 12 Jul 2020

Photo of downstairs two gang light

65967AFA-C1E1-4393-AEDB-530BD63317B9

• Francis Murphy
• 12 Jul 2020

Photo of downstairs two gang light

1199E4DC-E6B9-42BC-9ADB-5BCDC446345F

• Francis Murphy
• 12 Jul 2020

Photo of upstairs 1 gang light.

 

[AndyPRK]

down stairs put

red into the empty COM
yellow into L1
blue into L2


At the light, you need to determine (with the power off) which cable runs to the switch

 

[Francis Murphy]

Thanks for responding so quickly. I’ve done that. Tested each cable in the ceiling and none of them are coming up live on the multimeter.

I’ve also tested the upstairs switch and no cable is coming out as live.

 

[AndyPRK]

While all 3 cables are disconnected on the ceiling the switch wires will not Be live.

As stated you need to identify the wires on the ceiling

 

[Francis Murphy]

Thanks Andy - I’ll give it a go

 

[Francis Murphy]

And do you mean to the switch downstairs or upstairs. Apologies for being a pain

once identified where do I put the ceiling cables?

 

[AndyPRK]

there aren't any pictures in the wiki ? ???


https://images.app.goo.gl/gBjiR82mXeYse79e7



See this diagram. But with one less cable

1 cable goes down to the landing switch. This usually has a red sleeve or tape on the black wire. YOu need to work out this cable and mark.

The other cable is power in.
Another cable is power to another rooms light. Any not working?

Once you have that, you can go forward.
Connecting all the reds together in a spare block.
Connecting the black wire with red tape to the light fitting L
etc

Don't guess, as you will likely do damage

 

[Francis Murphy]

Thanks Andy. It works.
If you’re ever in MK I owe you a pint!

 

[securespark]

One of the ceiling cables should show 230V between red and black. Either the power is off, there is a break elsewhere in the circuit or the fuse or breaker is open circuit.

 

[securespark]

Sorry, l was late to the party.
Story of my life!

 

[Francis Murphy]

Hi Andy,

you helped me previously with the above thread. I’ve now bought a new switch and the wiring now doesn’t work.

I’ve attached the old wiring set up which worked and the new switch set up. I’ve tried doing like for like but it doesn’t work.

Thanks again

Francis

 

[terryplumb]

You either, have not connected the conductors correctly ,or the switch itself is faulty.
The earth conductors should be connected to the metal switchplates earth terminal ,by the way !!

 

[AndyPRK]

Have you got the red wires swapped. ?

The red that comes out the cable with the blue and yellow needs to stick with that switch.

Make sure the screws are in the metal part of the cable