Wiring a domestic triple dimmer switch

[Mark7]

I have a single triple dimmer switch in my living room that needs replacing, but can't work out what I need to buy and how I should wire it up.

Looking inside the wall box there are three wire bundles, two of these bundles have a red wire, black wire and earth wire, the third bundle has a blue, a yellow and red wire plus an earth.

The two blacks and single blue have been previously crimped together and are fixed into a single connecter to fix the ends together separate from the dimmer switch.

This leaves me trying to understand where each of the reds go plus the yellow.

If anybody can advise i would be gratefull, thanks.

 

[Graeme Harrold]

Safer to get a registered sparky in than try and sift through advice for a DIY change........

 

[telectrix]

as above. best advice is a qualified sparks. it's not as easy as you may think.

 

[Damon]

any pictures always helps, I had a job similar to this and took a number of hi -res pics before I started the job incase I got stuck later on!

 

[malcolmsanford]

As pure guess work I would say that the 2 blacks and single blue are neutrals. Also as pure guess work and the number of cables you have I would say that there is no 2 way switching with the 3 lights.

So is it this configuration the red from the 3 core (RED/YELLOW/BLUE) is in the top of the switch most likely COM with 2 links to the other 2 commons. The yellow in the bottom of 1 switch and the remaining 2 reds into the bottom of the other 2 switches?