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How to Make Wire Splices

Making a splice means interweaving two strands. String is spliced for craft projects. Hair is spliced for extensions or a weave. In electrical work, wire is spliced. Because the nature of electrical work is dangerous, wire splices should be taken seriously. Use caution whether you use a wire nut for a simple splice or a compression sleeve for a more permanent bond. A splice can end with a visit to the emergency room or cause a fire, if not done properly.

Things You'll Need

  • Wire nut
  • Compression sleeve
  • Insulation stripper
  • Wire cutter
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Instructions

    • 1

      Turn off the breaker supplying electricity to the wire.

    • 2

      Strip 1 inch of plastic coating, called wire insulation, off the ends of the wires.

    • 3

      Hold the wires together so the insulated portions and exposed portions are parallel to each other.

    • 4

      Twist the ends of the exposed wire together one and a half twists.

    • 5

      Snip 1/2 inch off the end.

    • 6

      Screw the wire nut onto the twisted wires until it is snug, and cannot be pulled off. For a more permanent splice, fit a compression sleeve over the twisted wire instead of a wire nut and crimp snugly.