UF Direct Burial Splice Kits 14-8 AWG UF - These are simple and useful Direct Burial Electrical Splice Kits. Features Direct burial electrical splice kits save money - simplifies splicing UF cable by obsolescing messy multi part splicing kits. 600 Volt maximum 221°F (105°C) rating. Provides a reliable moisture proof electrical connection for UF cable. 14/3 or 12/3 minimum to 8/3 maximum. Seal with heat gun or torch. Electrical splice kit comes complete with one 4-position brass connector and one 8” piece of water impervious adhesive/sealant heat shrink tubing. Specification Item weight - 0.15 lbs.