I am having difficulty connecting a new timer switch to control 2 external wall lights and would appreciate some advice.

The cabling from the 2 lights is coming in to a single gang switch with L, L1 and L2 terminals.
The cables are connected to this as follows:
2x red wires (labelled as load) connected to L1
1x red wire (labelled as live) connected to L
L2 not connected
3x black cables are all connected together via a separate connector strip

The new timer switch has 'Neutral', 'Live' and 'Live Output' terminals
So it is not immediately obvious what goes where!

Thanks in advance.

Pictures speak more than a thousand words.

(but a guess is the neutral is all the blacks)

Pictures please.

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Picture of existing switch wiring attached

It does look like I suspected.

The live (single red) go into the "Live" on the timer
The switch wires (Double red) go into "Live output" on the timer
The blacks (all of them*) go into the timer "Neutral"


* If you don't have room in the timer terminal, you can take another (black) wire from the existing choc bloc and connect just this.

_________________
Take it easy, a forum is only a collection of opinions. Above, are mine.

Which is correct? Metre or Meter? Click the link. to find out more.

No such thing as "Thou shalt put this wire here, Thou shalt put that wire there" .............Take a picture BEFORE you do the job.

If gloom had a voice, it would be me.

How to post a picture on this forum Click here