I thought the two bulbs had gone in my son's bedroom so swapped one bulb and tried again. After fiddling with the dimmer for a while the bulb I hadn't swapped flickered on then went out. I figured it must be the dimmer switch itself.
I don't particularly like the dimmers in my house and my teenage son does smack the poor things every now and then so I figured it would be better installing a normal switch.
The existing wiring on the dimmer was:
C one blue wire and one black
L1 a red wire and a yellow wire
L2 a single red wire
I wired it up the same with the new switch but neither light comes on. The fuse isn't blown. I do have a multi-meter if required.
As I said previously there is no specific rule as to what colour does what or where it should go, but, the fact you have a twin and earth and a 3 core and earth implies there is or was another switch, pull cord perhaps?
Yes, still swap them over (The red must stay as it is now, on its own)
The way a 2 way switch is wired (in a nut shell) is one single wire at the top (C) and two wires in each of the bottom terminals.
So if you had a red single it should be on its own at the top in C (common) when you swapped L2 and C around, make sure that both wires in L2 are actually making a connection, no harm in checking L1 either.
Since it was working before you changed it, and there are no electronics involved, it has to be a airing configuration error, but you are sure you have them right, so it must be a connection (or not) problem.
With a 3 core & earth 2 way switch wiring the yellow should go to the C (common) on both switches with red and blue/black (from the same 3 core cable as yellow) to L1 & L2 and the other 2 wires (from the twin cable) into L1 & L2. This twin cable goes to the light fitting and will not show at the pull switch.
The 3 core cable is really just linking the two switches.
Skid Sprocket wrote:With a 3 core & earth 2 way switch wiring the yellow should go to the C (common) on both switches with red and blue/black (from the same 3 core cable as yellow) to L1 & L2 and the other 2 wires (from the twin cable) into L1 & L2.
Sorry to say but as i have said before, there is no specific rule as to what colour goes where, so to say Yellow must go to the common is not a definitive response, since it depends on what colour who ever wired chose to use.
And since the op did say he had a black and a blue, and a red and yellow already as pairs........
Looking at that picture & assuming it is joined to your switch, but it doesn't sound right to what you was saying on your connections. IE: "The existing wiring on the dimmer was: C one blue wire and one black L1 a red wire and a yellow wire L2 a single red wire"
The reason i say this is the pull switch has the red as common "C" & wouldn't work with you connections as the red would have to be in C at your switch
if so & at the switch, take the red from the 3 core & put it in terminal C. Now you have 2 cables left from each cable at the switch. Put the wellow from the 3 core & the red from the twin in L1. Now put the remaining 2 cables in L2 & test. If its still not working there might be a fault with the pull switch. To test this, take the red & blue out the pull switch & put them together in a conector, test again.
[quote="Mr White"]Collectors, I asked mike_bike_kite a question to which he has not replied, I am willing to bet that he will not reply to you either...........considering I asked [b]over 6 months ago. [/b][/quote]
Ah! your right, i just clicked on new posts & for some reason this one came up. Didn't check the date. lol. I take it that the problem was solved or he is no longer with us?. :)
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