Proper Way to Use Tap Splices


Tap splice connectors typically refer to plastic snap-in connectors that are used to instantly splice wires without stripping the wires. Tap splice connectors come in various styles and colors, but are commonly used in low-voltage applications such as a vehicle's wiring. Tap splices are usually used to connect a new wire to an existing wire without soldering. Most tap splice connectors employ protective gel that ensures moisture-resistant barrier. Tap splice connectors are inexpensive devices and using them provides an easy, but effective means of splicing wires.

Things You'll Need

  • Pliers
  • View the inside of the tap splice connector and locate the two chambers where each wire will be placed. Tap splice connectors come in various forms, but almost all have two chambers where the wires should rest. Lay each wire separately into each chamber parallel to the length of the connector.

  • Check each wire to make sure that both wires are seated properly in their respective slots inside the connector. Carefully close the cover of the tap splice connector so that each metal insert touches each wire. Hold the connector and the wires in the same position and place the connector between the jaws of pliers. Slowly but firmly squeeze the handles of the pliers together to drive the metal insert into the connector. Each metal insert has a gap at its center where the wire will squeeze into once the metal penetrates the connector.

  • Close the cover of the tap splice. Tap splice connector covers typically snap into place once a little pressure is applied on the cover. Tug the wires lightly to make sure that both wires are securely attached.

Tips & Warnings

  • Never attach a wire that is smaller than the existing wire -- both wires must have the same gauge.

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