Horizontal Exit 1 : A protected way of travel from one area of a building to another area in the same building or in an adjoining building on approximately the same level
Ralph W. Burklin & Robert G. Purington, Fire Terms: A Guide to Their Meaning and Use, National Protection Association, Boston, MA 1980 USA. (Guide: Meaning and Use, Nat Prot Association Fr Srvc - Amer) {457}