Discuss New switch no COM connection in the DIY Electrical Advice area at ElectriciansForums.net

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ParaJack

Hi, I have a double switch in the hall, one switch turns the upstairs/landing lights on and off and the other switch turns the hall light on/off. Obviously there is a single switch upstairs to turn the upstairs landing lights on/off.

I've bought a new switch but there is no COM connection in it, as you can see on the old switch there is a short wire going to each COM connection, is this switch the wrong one or does it just need wiring differently? (Is the L at the top of the new switch used as the COM?)

Thanks in advance.
 

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Yes, L is Common, isolate upstairs and downstairs lighting circuits, and copy terminations onto new switch.
 
OK thanks ;) I thought that would be the case, but better to be safe!
 
in pic#1 there's some exposed copper showing in the com terminal. try and get the cables connected without exposed bare copper. trim the ends if needed.
 

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