Burndy CL501 14-4 AWG Copper Lay-In Lug #10 Stud. The Lay-In QIKLUG Is Manufactured From High Strength Pure Electrolytic Copper To Ensure Maximum Strength And Conductivity. UL467 Listed For Direct Burial In Earth Or Concrete. The Open-Faced Design Allows For Fast Lay-In Of The Conductor Without The Need For Cutting Or Breaking.