The recommended heat shrink tubing size for 14 gauge wire is the same as that for 12 5mm with a 198 inch diameter.
Heat shrink tubing wire size chart.
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What are the main considerations when installing heat shrink.
The shrink ratio will define what size wire the tube will fit on.
See wire size chart on page 5 consider the overlap between the tube and the cable insulation heat evenly around the tube if using a flame use a diffuser and keep it moving.
Wrap around heat shrink tubing protect wire and cable without disconnecting them from an assembly.
For 16 gauge wire 3mm heat shrink tubing with a 2 1 shrink ratio and a 118 inch diameter is recommended.
Generally the tubing should be cut 4 to 10 longer than the overall length of the object as axial longitudinal shrinkage occurs.
Heat shrinkable tubing is primarily available in 2 1 or 3 1 shrink ratios meaning the tubing has been expanded to twice or three times its fully recovered size.
The recommended heat shrink tubing size for 18 gauge wire is the same as that for 16 gauge wire.
Pick the right diameter.
The wall thickness is also a consideration when choosing shrink tubing.
There are many different sizes of shrink tubing.
A different shrink ratio on each end allows this tubing to fit over cable assemblies and wire harnesses with large connections or around connectors with a 90 elbow.
Below are tables listing awg gauge wire sizes in addition to the thickness of common insulated.
The greater the size variations of the underlying materials being covered the larger the shrink ratio required.
Heat shrink frequently asked questions.
This has a 2 1 shrink ratio at about 90 125 degrees c.
Start further away from the tube and move closer gradually.
3mm with a 2 1 shrink.
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