What are New York Approved Exit Signs?New York Approved Exit Signs have very specific rules and guidelines when it comes to the proper Exit Signs and the codes that they must meet. If you designated in one of the five boroughs of New York you must comply with New York Approved Exit Signs and Emergency Lighting. To comply with NYC emergency lighting the word "EXIT" must be 8" inches tall with a 3/4" stroke. The letters must Illuminate RED. All our energy efficient New York Approved LED Exit Signs at Exit Sign Warehouse are fully code compliant and inspector approved.