Outrigger Jack 2 : A jack designed to be extended outward from the sides of an aerial ladder or elevating platform to provide a wider base of support than that provided by the truck chassis. See: Jack, Outriggers, Stabilizer
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}