Discuss Outside light mystery in the UK Electrical Forum area at ElectriciansForums.net

could even be yellow is cpc. we can't tell remotely.
 
I think it’s red for live an blue for neutral, yellow might be connected to earth back at the board.
Then the switch wires would be red as feed and blue as switched.
Probably didn’t bother connecting the yellows as earths because everything’s plastic.
 
I think it’s red for live an blue for neutral, yellow might be connected to earth back at the board.
Then the switch wires would be red as feed and blue as switched.
Probably didn’t bother connecting the yellows as earths because everything’s plastic.

could be any number of possible ways it is wired, I think its foolish to guess at it.

a spark might guess that then put a meter across to confirm but is not going to connect up with that assumption and turn it on to see what happens.

unless you have the knowledge and equipment to test the theory out it is simply not a good idea to just "give it a try"
 

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