Stonyboy - job done, thanks very much for your assistance. I suspect the terminal block on the unit I tried previously was faulty but by following your instructions with a new one it was a relatively straightforward exercise. Thanks again.
New member of the group and first post so please forgive me if it's a bit basic. I had downlights fitted throughout my house and my electrician used Bright Source All in One as they were plug & play so in theory easy to replace. The problem I have is that the units have been upgraded a couple of...