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Discuss Just a little help :? in the Electrical Forum area at ElectrciansForums.co.uk.

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  1. InvernessElec
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    InvernessElec New EF Member

    Location:
    Inverness
    Hi I’m an apprentice looming for a little help understanding some wiring.

    Has anyone got a wiring diagram for a 2 gang 2 way switch??
    If you are doing loop at switch, how does your feed go to the other side of the switch if that makes sense? Cheers
     
  2. SparkyChick
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    SparkyChick Making a banana smoothy for my fave gorilla Staff Member Moderator

    Location:
    South Wales
    Business Name:
    SparkyChick
    Can I suggest you look at applying to gain access to the trainee only section :)
     
    • Agree Agree x 1
  3. InvernessElec
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    InvernessElec New EF Member

    Location:
    Inverness
    Okay yeh no worries. How do I do this ?
     
  4. SparkyChick
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    SparkyChick Making a banana smoothy for my fave gorilla Staff Member Moderator

    Location:
    South Wales
    Business Name:
    SparkyChick
    • Like Like x 1
  5. westward10
    Online

    westward10 In echoed steps I walk across an empty dream. Staff Member Moderator

    Location:
    Northamptonshire
    Please bear in mind the OP is a trainee so helpful posts only.
     
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  6. Pete999
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    Pete999 Forum Mentor

    Location:
    Northampton
    Business Name:
    None
    What cables do you have at the 2G2Way oposition and at the other end of the 2 way system, can you post pics of the cables?
     
  7. Baddegg
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    Baddegg Still simmering Ken, not boiled yet buddy x Electrician's Arms

    Location:
    Portsmouth
    I was only trying to get him to think about it,apologies if it came across wrong Inverness, it wasn’t intended :)
     
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  8. spinlondon
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    spinlondon Forum Mentor

    Location:
    Harlow Essex
    Draw out on a bit of paper three dots in a triangle, two at the bottom one at the top.
    Com at the top, L1 at bottom left and L2 at bottom right.
    Draw another three dots in a triangle a couple of inches away.
    Your two switch wires go to L1 and L2 on the first triangle, your 3core cable then goes com to com, L1 to L1 and L2 to L2 between the two triangles.
    That’s it for a standard 2 way switch set up.
     
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  9. Pete999
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    Pete999 Forum Mentor

    Location:
    Northampton
    Business Name:
    None
    Correct, but the OP has stated the loop in and out are at the switch position.
     
  10. telectrix
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    telectrix Scouser and Proud of It Respected Member

    Location:
    cheshire/staffordshire
    Business Name:
    Telectrix
    still as spin says, but from switch#1 he'd take a S/L and N to the light instead of Lin +S/L out.
     
  11. Wilko
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    Wilko Electrician's Arms

    Location:
    Berkshire
    Business Name:
    Wilko Electrics
    If I've understood correctly there's a two gang switch at each location, each controlling a light. Each light having 2 way control from each location (?). And unswitched L and N available at each switch. I've assumed the lights are near the switches, say top and bottom of stairs. Hope this helps and sorry for the messy diag. Happy for feedback :) .

    IMG_1388.JPG
     
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  12. telectrix
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    telectrix Scouser and Proud of It Respected Member

    Location:
    cheshire/staffordshire
    Business Name:
    Telectrix
     
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  13. Richard Burns
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    Richard Burns Respected Member

    Location:
    Cambridgeshire
    Business Name:
    Richard Burns
    There are so many ways of arranging the wiring.
    Wilko has shown two wire switching for the top light and three wire switching for the bottom light, because this fits the layout required. So the wiring method would be dependent on the location of the switches and the location of the lights.
    I have done some similar diagrams, the top left is the basic three wire switching approach and the other two are other possible options for different scenarios. The best idea is to understand how the switching works and then adapt the cabling for your needs.
    two way switching two gang switch fed with options.jpg
     
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  14. telectrix
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    telectrix Scouser and Proud of It Respected Member

    Location:
    cheshire/staffordshire
    Business Name:
    Telectrix
    Richard, great pic. but you have too much time on your hands. get that conduit bender i sold you into work. :D:D:D.
     
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  15. brianmoooore
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    brianmoooore Regular EF Member

    Location:
    Devon
    If all switches are 2G2W, then Richard Burn's diagrams above all have an unnecessary wire between the two switch locations - in all cases there are two permanent lives running between the two switch locations.
    The LH circuit can be achieved with one T&E and one 3&E, while the two RH circuits can be wire with either two 3&E or three T&E between switches.
     
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