Definitions for "Wet Line"
T1 line with span power.
Control line put in by means of a progressive hose lay using 1 1/2-inch feeder line with 1-inch branch lines every 100 to 150 feet.
A wet line is a line of water, or water and chemical fire retardant, sprayed along the ground, and which serves as a temporary fireline from which to ignite or stop a low-intensity fire.