Yes, I suppose that's not impossible - but (without doing a bit of thinking/scribbling) I suspect that it would require at least two wiring errors, and I would have thought quite difficult to perpetrate if one was just doing a 'like-for-like' replacement of a 'transformer'!
To achieve that, and simultaneously to get the switch connected across the 'secondary' (output) would require a pretty impressive 'shuffling' of connections, I would have thought
Fair enough - that's a 'real' transformer, not one of the electronic gizmos people often call transformers these days. That probably puts paid to stillp's suggestion (something would probably have gone bang if the switch had been wired across the secondary of that), but doesn't move us on much. As I asked, any chance of a piccie of the wiring?
How would the light then come on (even if dim) when the switch was 'off' (i.e. switched-live floating)?
Ah - right. However, the OP is now telling us that the lamp is 'brighter' (which presumably at least means it isn't dimmer than before), which may put paid to that idea
Same here - but even if it's two way, the OP insists that the switch hasn't been touched, so it's unlikely that a conductor has jumped out of one terminal of a two-way one into a different terminal
A rather fascinating possibility - if so, that would be a pretty 'exotic' fault!
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