Every business wants to know what OSHA standards apply to them because those rules give a good idea of what will keep employees and customers safe. For instance, the rule that every exit route must be clear of obstruction and that the exit door can't have decorations or signs that hide the door is a great guideline for ensuring that your exit is usable in an emergency situation. As you can imagine, OSHA saves a lot of their rules for how exit areas are illuminated, and you will want to keep abreast of their requirements. Fortunately, OSHA has written out some clear guidelines in this. The following questions are some that you, the business owner, need to ask.