Ah - I would have presumed (which I fear is not much different from 'assume', perhaps even worse
) that anyone to whom that "would be apparent" probably wouldn't have needed to ask the question in the first place - but I may be wrong! ... and don't forget that (if we are talking cables) the method you suggest would identify which pair of conductors came from the switch, but it would not have indicated which was 'switch live' and which was permanently live.
It wouldn't matter, would it?
It wouldn't matter if it is a conventional loop-in situation at the light - but how much do you think you should assume/presume?
Maybe. I have to say that the countless questions/discussions we see here about lighting switches/roses etc. (often with incomplete or unclear information) tend to 'worry' me more than what superficially appear to be much 'heavier' issues (like socket circuit extensions, CU changes, garage supplies etc.) - which is at least one reason why I generally keep out of them and don't attempt to offer advice - even though, 'were I there', I'm sure I could near;ly always sort out the problem very quickly.
Neither would be either until they are connected.
Remember the OP was 'How do I find the switch-live?'.
We both understand all this, so I don't think it warrants any discussion. Let's just hope that your answer (which would enable him to find which cable was connected to the switch) and/or someone else's comments have helped the OP!
Fair enough. I should have written "We both understand all this, so I don't think it warrants any further discussion.". However, I'm not going to apologise for feeling that we should at least be sure we understand the question, and the situation to which it refers, before we start offering answers. The OP, whose first post it was, has not yet come back, so we may never know the truth.
EFLI - it seems as if, just for once, I was right to question your assumptions. It seems that 'wires' soimetimes really are 'wires'
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