Additional Alarm 2 : A second or greater alarm of fire, usually calling for the response of a top ranking officer and transfer of companies to cover vacated areas. See: Greater Alarm; See also: Additional Alarm Company
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}