Portable Pump 3 : A small fire pump, available in several volume and pressure ratings, which can be removed from the apparatus and taken to a water supply inaccessible to the main pumper
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}