Coleman Cable 54705 Irrigation Cable, Abrogation Sprinkler Cable, 18/5, 500-Feet. 500-Feet spool of wire. Irrigation Cable, Abrogation Sprinkler Cable, AWG size: 18/5. Direct Burial Solid Bare Copper 30V. Intended for underground sprinkler systems. Industry approvals: up listed and rohs approved. Sequential Feetage marking. Intended for underground sprinkler systems. 18/5 IRRIGATION BK 500 R . The Coleman Cable brand is a registered trademark of Coleman Cable Inc.