I think we may have touched on this subject before, but it came up in conversation earlier today.
I've seen exit signs in America with both red and green lettering. I can't remember whether a specific color was all in one town or even one state, so are there local codes which specify which color is to be used?
Is there some other reason, e.g. red for exit corridors and green for the actual exit doors?
I have worked in jurisdictions where it was a requirement of the local Fire Marshall. I can't remember which ones off hand. It usually is not an issue.
So pretty much a free choice, except for maybe a few jurisdictions where a local code applies. Thanks.
A point for you to ponder though: Now that electrical and building codes are moving toward "international" versions, do you see symbolic signs eventually replacing simple "EXIT" signs in America?
Exit signs which incorporate a pictogram are now required here in England, either with or without wording: