Landing light upstairs, all lights go off !!
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Landing light upstairs, all lights go off !!

Post by MrC » Tue Feb 17, 2009 7:30 pm


I have a dual switch downstairs in the hall, one switch controls the hall light, the other controls the landing light. The landing upstairs also has its own light switch which can be turned on or off.

I changed the switch downstairs to a new elegant looking one, I thought I had replaced the wires in exactly the same place however............. I now cannot turn the light switch on/off from upstairs and when I turn the hall light on, all of the lights go off upstairs !!

Confused... any help greatly appreciated.


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Post by kbrownie » Wed Feb 18, 2009 1:11 pm

Hello Mrc,
A few questiopns before we start:
1) what conductors(cable colours) do you have in the back of switch plate?
2) what terminals do you have on switch (ie common L1 L2)?
3) Is it only the downstairs switch you have replaced?
4) Have you altered any wiring at the fitting before this happened?

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