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Soldering: How to Safely Join Two Wires

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  1. Soldering: How to Safely Join Two Wires, Prepare your work area: Schritt 1, Bild 1 von 2 Soldering: How to Safely Join Two Wires, Prepare your work area: Schritt 1, Bild 2 von 2
    • Set your tools down on a clean, non-flammable surface.

    • Ensure that the work area is well-ventilated and clear of anything that can be damaged during soldering.

    • Attach a stripped wire end to each of the helping hands clips, facing the ends towards each other.

  2. Soldering: How to Safely Join Two Wires: Schritt 2, Bild 1 von 1
    • Cut a piece of heat-shrink tubing such that it's 10-15 cm longer than one of the exposed wire ends.

    • Slip the heat shrink over one of the wires, making sure to move the heat shrink away from the soldering point as to avoid any burning.

  3. Soldering: How to Safely Join Two Wires, Intermesh the wire strands: Schritt 3, Bild 1 von 3 Soldering: How to Safely Join Two Wires, Intermesh the wire strands: Schritt 3, Bild 2 von 3 Soldering: How to Safely Join Two Wires, Intermesh the wire strands: Schritt 3, Bild 3 von 3
    • This step shows how to physically intermesh stranded wires together. This improves the physical properties of the joined wires.

    • Unravel all of the wire strands for both the wires, intermesh them, and then twist the strands together.

  4. Soldering: How to Safely Join Two Wires, Heat up the wires: Schritt 4, Bild 1 von 1
    • Place the tip of a soldering iron against the exposed wires. You want to heat the wires hot enough such that they'll readily melt the solder.

    • Position the tip such that you maximize the wire surface area it touches.

  5. Soldering: How to Safely Join Two Wires, Apply solder wire: Schritt 5, Bild 1 von 2 Soldering: How to Safely Join Two Wires, Apply solder wire: Schritt 5, Bild 2 von 2
    • Slowly feed solder wire into the heated wire. The wire strands should readily absorb the molten solder.

    • If the solder pools on top of the wire strands, the strands aren't hot enough to melt the solder. Try moving the soldering iron so that the tip touches more of the strands.

    • Feed solder wire along the exposed wire until everything is thinly coated.

    • Once the molten solder saturates the wire strands, allow the solder joint to cool down and solidify (2-3 minutes).

  6. Soldering: How to Safely Join Two Wires, Cover the exposed solder joint: Schritt 6, Bild 1 von 3 Soldering: How to Safely Join Two Wires, Cover the exposed solder joint: Schritt 6, Bild 2 von 3 Soldering: How to Safely Join Two Wires, Cover the exposed solder joint: Schritt 6, Bild 3 von 3
    • Slide the heat-shrink over the exposed solder joint so that it completely covers the joint and the surrounding insulation.

    • The heat-shrink acts as insulation for the wire.

    • Wave a heat source (lighter or heat gun) over the heat-shrink material to activate it. Apply heat until the heat-shrink has shrunk securely around the solder joint.

Abschluss

You have successfully soldered two wires together!

For more soldering tips and guides, click here.

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