How to repair a broken wire

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How to repair a broken wire

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Repairing a broken wire requires a few tools and supplies and can be completed by most do-it-yourselfers. Be sure that the cord is removed from the electrical outlet before beginning the process. Tripping over a lamp cord or running over the stereo cord with the vacuum both have similar results: darkness and silence. Even if the wire is not severed or separated completely from the plug, a damaged electrical cord poses a health and safety hazard that must be repaired as soon as possible.


Cut the cord cleanly on both sides of the break.


Separate about 1-inch of the cord on each end of the wire, if it is made of zip cord. If the cord has an insulated sheath surrounding the wires, use a razor knife to lightly score the sheath and twist it until it separates at the cut. Be careful not to nick the conductors inside the sheath as this could lead to short circuits.


Strip about ¾-inch of insulation from the wire. Twist the loose wires between your fingers to bind them together.


Splice the stripped ends of the wires by twisting them together. Hold the wires to be spliced side by side, forming a slight "V". Twist the two wires together, starting at the base of the "V" and continuing until all of the wire is twisted. Repeat this process with the other set of wires.


Wrap each splice with electrical tape, covering all exposed wire. Bend the spliced wires over to be parallel with the insulated cord, each splice facing in a different direction.


Wrap the entire length of the repair with electrical tape, starting about one inch below the repair. Continue to a point one inch past the repair and cut off the tape.


Plug in the appliance to test your repair.


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