Service Entrance Cable Cap; Type Strap; Wire Size (3) 3/0 AWG, (3) 4/0 AWG; Size 4-1/16 Inch L x 4-1/4 Inch H; Material Electrical Grade Rigid Plain Plastic; Approval UL 514B; Used On Oval Service Entrance Cable; ROHS Compatible; Applicable Standard Federal Specification W-F-586D, NEMA FB-1; Includes EMT Adapter Sleeve, No-Turn Square Nut