14 TO 8 GAUGE UF WIRE, CU ONLY, UL LISTED, UNDERGROUND SPLICE KIT. 4 CONDUCTOR. INCLUDES 1 CONNECTOR AND 1 PIECE OF HEAT SHRINK TUBINGSouthern Tier Electric Supply
IDEAL Thermo-Shrink AL/CU Underground Splice Kit 46-401 - The Home Depot
Demonstrating a 24kV underground line splice : r/nextfuckinglevel