SOLDER SPLICE TERMINATOR RED (5 pack). Solder Splice Terminators combine all the advantages of heatshrink, low?melt solderand waterproofing protection glands –creating a fast, waterproof, electrically reliable and fully insulated connection without the use of a soldering iron, crimping tool or solder. The 56392BL Flameless Heat Gun is ideal for use with Solder Splice Terminators.