The main shop is 30'*40', with the front being a 20'*40' area. There are four 10' wide doors, so the switches are on each post. The switches are to the left on each doorway so you can turn on what you'll need. I also have some old four 40W tube fixtures over each bench. The main lights are two tube fixtures, for general lighting.
The back 10' of the shop is four 10'*10' rooms, with a single two tube fixture.