National Fire Codes 2 : (NEC) A set of fire protection codes, standards, and recommended practices prepared by committees of the National Fire Protection Association and published annually
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}