In the UK small jobs are legal unless in the bathroom or kitchen or outside. In which case you need to be a competent person or have the work checked by a competent person. (Building Regs.)
Having said that, as the Op clearly does not understand how a lighting circuit works I'd recommend and electrician
too.
t
February 2008
call a licenced electrician as diy on electrical work is illegal
Arndt
February 2008
call a licenced electrician as diy on electrical work is illegal
howtomendit.com for free repair help, information and advice.
Try fixfault.com to fix lighting.