Earlham 475' Aluminum URD Quadruplex Secondary Wire 4/0-4/0-4/0-4/0 Direct Burial

475' spool of Earlham aluminum URD quadruplex secondary cable intended for direct burial. Conductor size: AWG 4/0 (4/0-4/0-4/0-4/0). Overall outside diameter: 1.588 inches. Direct-burial ampacity: 290 Amps. Built for underground residential distribution secondary service applications.