2013General Discussion forum
Methods for managing cable shield fraying at connector ends
13 years old. Gear and prices may have changed since.
What the thread found
- Liquid electrical tape can be applied to cable ends to prevent fraying, but should be applied with controlled thickness to remain removable.
- Heat shrink tubing can be stretched to 150% of its original diameter using needle-nose pliers to apply tension, allowing it to fit over oversized connectors like LEMO types.
- Self-sealing non-adhesive tape that bonds to itself works well for strain relief on LEMO connectors and cable insulation without permanent adhesion.
- Frayed shield cable protruding from a connector is primarily a mechanical problem requiring physical containment rather than electrical insulation.
- A small watercolor brush provides better control than the built-in applicator brush when applying liquid electrical tape.
- Hot glue or standard electrical tape wrapped around the cable jacket can help contain slack cable and restore proper crimp contact.
Depends on
- Liquid electrical tape becomes difficult to remove if applied too thinly.
- The stretch method for heat shrink tubing requires careful, slow work to avoid damaging the tubing.
- Solutions discussed are specific to situations involving LEMO connectors with oversized housings relative to cable diameter.
- Self-sealing tape performance is based on several years of field use, not comprehensive long-term testing.