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Deleted2797112
Coming out of the wall like that is a bit of a bodge, as is leaving them in the state they are. I would determin that they are hard live, or if they are switched, and make sure they are all terminated in a suitable junction box, and then if your looking to replace the lights, replace them with ones with an internal switch.
You want to make is safe
You want to know whats on the other end of them
You sound like you then want new lights
Three separate things working to the final goal, but proberbly it would not be stupid to get a electrian in for an hour or so to work out where he thinks they come from, how they need terminating to make the safe, and if they can be reused to add new lights back in.
Daniel
Thanks Daniel. I think that sums it up pretty well.