is ok you ignorant sod please do not feel the need to say thanks
mm, September 2013
depends on the light fitting,one type has a round trannie fitted in it you just remove the retaining nut
some have the trannie just siting on the light fitting very easy job turn power off before working on the light
mm, September 2013
edit
I can answer this question...
How can I change the transformer in a light fitting?