Gardner Bender HST-1300 Underground Cable Splice Kit for Waterproof Splicing, 14-8 AWG, UF Copper Wire - Includes: 8 inch. Heavy-Wall Heat Shrink & Screw Splice Connectors From the Manufacturer The Gardner Bender Underground Cable Splice Kit gives you complete waterproof installation for UF cable. The kit is designed for UF cables minimum 14/3, 12/2 and maximum 8/3. The kit includes a set screw splice connector and one 8-inch x .33-inch diameter heavy wall polyolefin heat shrink tubing with a watertight adhesive lining. Gardner Bender has 50 years of experience making professional electrical tools and supplies of consistently superior quality, so you can count on high-performance products at a fair price.