When everything is complete, we start using a soldering iron and attach tin solder to the joint, just attach a sufficient amount of tin to cover the twist.
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Do the same with the remaining strings, paying attention to the colors of the strings to avoid wrong wiring.
Use electrical tape or heat shrink hose?
Wrapping a layer of electrical tape in each weld is probably fine for small and light conductors, but for large wires and high durability, the heat pipe is the necessary solution by the type of pipe. This will secure the two ends of the wire (durability can be as high as the cable section when not cut).
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