Competent to complete the physical work but not 100% sure on regs and admittedly a tad lazy to try and find the parts I need...   1a) bedrooms have the lights Infront of windows/over dressing table. Want to centre them to room. As far as I can tell all wiring is in metal conduit. Can I just cut and file the conduit in place I want? Or do I need a junction box, tap and die set for creating thread etc? b) if I want add extra lights do I need to add in conduit? The bedrooms