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  1. M

    2 way wiring problem

    Thanks I'll try and get some photos up, but will need to isolate the supply so will need to wait for daylight. And they say there's a big storm coming tonight so hopefully that wont complicate matters!
  2. M

    2 way wiring problem

    Thanks both. Into the switch (landing) backbox enter 2 three core and 1 two core (two reds). I have checked the connections to the switch multiple times. Each cable enters the box as you say in a grey sheath. I have not checked the origins from the sheath as closely and as many times as the...
  3. M

    2 way wiring problem

    Thanks for your help. No the switches are not exactly the same. The older switch is an older Crabtree. On the old switch COM A is at the top with L1A and L2 A at the bottom, and COM B is at the bottom with L1B and L2B at the top. In the new switch each gang is completely separate from the...
  4. M

    2 way wiring problem

    Sorry yet another 2 way lighting problem. This seems really strange to me. Downstairs 3 gang switch controlling hall (1 way), landing (2 way) and outside light (1 way). Upstairs 2 gang 2 way switch controlling landing (2 way) and second floor landing (2 way). Everything works perfectly...
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