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How to join two wires with solder

Introduction

Before reading this guide, ensure you know how to strip wires and solder a connection. If not, please look at the following guides.

Stripping Wire: Wire Stripping

Soldering:How To Solder and Desolder Connections

What you need

  1. How to join two wires with solder, How to join two wires with solder: step 1, image 1 of 1

    • Put one of the paired wires on one of the helping hand's clamp. Put the other pair of wires on the remaining clamp.

    • Make sure the wires' stripped ends are facing each other or are towards the center of the workplace. If not, orientate the wires accordingly.

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  2. How to join two wires with solder: step 2, image 1 of 2 How to join two wires with solder: step 2, image 2 of 2

    • Using both stripped wire ends, wrap and tie both of the ends together.

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  4. How to join two wires with solder: step 3, image 1 of 1

    • Solder the tied ends of the filament.

    • Ensure to solder the connection completely, not just one area.

    • Try not to put too much solder on the connection, as it will add more resistance.

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  5. How to join two wires with solder: step 4, image 1 of 1

    • Pull on the two wires firmly to ensure the solder does not separate.

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  6. How to join two wires with solder: step 5, image 1 of 2 How to join two wires with solder: step 5, image 2 of 2

    • To properly protect the soldered wire connection, use heat shrink.

    • Cut enough heat shrink to cover the soldered connection.

    • Slip the heat shrink onto the connection.

    • Using a heat generator, such as a heat gun or a hairdryer, heat the heat shrink around all of the angles until it securely covers the soldered connection.

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Conclusion

This technique will allow wires to be extended both electrically and structurally without the need of longer wires.

8 other people completed this guide.

Author

with 6 other contributors

Joeny Zhen

Member since: 02/24/15

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1 Guide authored

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Team

Cal Poly, Team 23-1, Green Winter 2015 Member of Cal Poly, Team 23-1, Green Winter 2015

CPSU-GREEN-W15S23G1

4 Members

4 Guides authored

1 Guide Comment

Perhaps I might recommend sliding the H.S. tubing on before soldering the joint in case the wires are connected on the other end to something else.

Nathaniel Loeblein - Reply

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