Ilsco ULT-12-Z Permaground Copper Grounding C Crimp, Main Conductor Range 4/ 0-3/0 Sol, Tap Range 4/0-3/0 Sol, UL, CSA | Quality Electrical Distribution (QED)
4/0 AWG HD Non-Insulated Butt Connector
ILSCO CT-4/0 4/0AWG COP CRIMP CONN | Gordon Electric Supply, Inc.
BURNDY YHD-5 4/0 ALCU TAP CONNECTOR | Gordon Electric Supply, Inc.
4/0 AWG Max Wire Size, 1/4 in Stud Size, One-Hole Lug Compression Connector - 6MFV9|54167NT - Grainger