550' Earlham Aluminum URD Quadruplex Secondary Cable 4/0-4/0-4/0-4/0 - Direct Burial

550' spool of Earlham Aluminum URD quadruplex secondary wire configured 4/0-4/0-4/0-4/0 for direct-burial use. Conductor size: 4/0 AWG. Overall outside diameter: 1.588 inches. Direct burial ampacity: 290 Amps. Ideal for underground residential distribution (URD) four-conductor secondary service installations.