Easy Ways to Use Heat Shrink Tubing: 11 Steps (with
2021-2-14u2002·u20025. Heat the tubing with a heat gun so it shrinks around the wire. Hold a heat gun about 3–6 inches (7.6–15.2 cm) away from the tubing and turn it on. Move the nozzle of the heat gun back and forth along the length of tubing so it starts to shrink.
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