Line 02 : (1) One or more lengths of connected hose. (2) In wildland fire fighting, a strip voided of vegetation to prevent the spread of the fire. (3) A length of rope. See: Safety Rope
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}