Aluminum 4 inch Service Entrance Compression Splice for Wire Range - Yellow End: 1/0 ASCR, 1/0 STR, 2/0 CPT, 1/0 CPR. Orange End: #4 ASCR, #3-#4 STR, #2 SOL, Installing Dies: TX 249 840 (EEI 11A). Compound and Capped. includes 5-7/16 inch Sleeve