Philze1

DIY
Mar 25, 2024
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United Kingdom
If you're a qualified, trainee, or retired electrician - Which country is it that your work will be / is / was aimed at?
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Good morning,

I'm replacing a 2 gang, two-way switch, however the new doesn't match the old. Any ideas how they correspond?20240325_094209.jpg
 
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The red cables at the bottom are the commons so on the new switch one to L1 and the other to L2 then swap the other cables over to the corresponding switch
 
Left bottom red into COM1
Right bottom red into COM2
Left blue into L12
Left yellow into L11
Red and yellow into L22
Blue and black into L21

If that is a metal switch then earths to it's earth terminal.
 
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The red cables at the bottom are the commons so on the new switch one to L1 and the other to L2 then swap the other cables over to the corresponding switch
Thanks for reply. If commons, would the two bottom reds not connect into COM1 and COM2 on the new switch (left)?
 
Thanks for reply. If commons, would the two bottom reds not connect into COM1 and COM2 on the new switch (left)?
See #3.
 
Left red into COM1
Right red into COM2
Left blue into L12
Left yellow into L11
Red and yellow into L22
Blue and black into L21

If that is a metal switch then earths to it's earth terminal.
Amazing thanks, and well spotted, it is a metal plate
 
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Just a side note.

Think of your switch as two triangles, the terminals being the corners.
The old switch, both triangles pointing down….
The new switch, it’s one pointing up, other pointing down.
 

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United Kingdom
If you're a qualified, trainee, or retired electrician - Which country is it that your work will be / is / was aimed at?
United Kingdom
What type of forum member are you?
DIY or Homeowner (Perhaps seeking pro advice, or an electrician)

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