2 gang 2 way light switch

13 Feb 2016
Reaction score
United Kingdom
Hi can someone please help I was replacing a hall way light switch for a dimmer and stupidly got wiring mixed up
Downstairs switch is 3 core cable
Blue 1 way
Yellow 2 way
Red common
There is another cable 2 core back and red the black is in with the yellow and red is in with blue I've not touched this switch
Then I've got hallway where now I've got 2 3 core cables 1 from downstairs 1 from upstairs plus a 2 core red and black this is where I'm mixed it up upstairs again is 3 core cable not touched again
Red common blue 1 way Yellow 2 way
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