Morris Products 67000 UF Direct Burial Splice Kit, 14-8 AWG UF Direct Burial Splice Kit UF Direct Burial Splice Kits - These are simple and useful Direct Burial Electrical Splice Kits. Direct burial electrical splice kits save money - simplifies splicing UF cable by obsolescing messy multi part splicing kits 600 Volt maximum 221F (105C) rating Provides a reliable, moisture proof electrical connection for UF cable 14/3 or 12/3 minimum to 8/3 maximum