Amazon.com: Solid Sprinkler System Wire, 18 Gauge Irrigation Wire with UV Resistant PVC Jacket Sprinkler Cable for Underground Irrigation System, Field Central Control System, 30V, UL Listed (18/2, 100 Ft) : Patio,
Choosing Sprinkler Wire - YouTube
18/12X500 - Wire 18/12 X 500' — Sprinkler Supply Store
12 AWG Solid Underground Sprinkler Bare Copper Wire APU-1201
Southwire 18 / 4 Solid Sprinkler Wire (By-the-foot) in the Sprinkler Wire department at Lowes.com
Cerrowire 50 ft. 18/7 Black Solid Copper Sprinkler Wire 240-1007B - The Home Depot
18 Gauge Sprinkler Wire — Green Acres Nursery & Supply