You see. This is why I posted on here. My circuit is so much simpler now and everything on the left of the diagram is already installed. I can get this thing sorted tomorrow if I'm lucky.
Thanks very much for everyone's help. (y)(y)(y)
Good spot. Thanks.
Yeah, they're led battens. It's a double garage and it currently has a single 60W (or led equivalent) bulb in the middle so pretty dim. I'm putting a 2700lm batten on each side and another above my workbench (I do small electronics as a hobby so lots of light needed).
Evening everyone. This is my first post so apologies for any errors.
I currently have a single switch controlling a single lightbulb in my garage. It's a bit dark so I'd like to replace it with two battens. While I'm at it I'd like to put a second switch by the other door (so I'm not staggering...