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Electronics => Repair => Topic started by: monster_of_electronics on May 03, 2021, 05:02:36 am

Title: 2mm heat shrink tubing too big for thin wires inside of USB-C cable
Post by: monster_of_electronics on May 03, 2021, 05:02:36 am

I'm trying to shorten a USB-C cable, the wires inside (apart from the power line) are very thin. My smallest heat shrink tubing is like 2mm and it's too big, even after I shrink it. Hot glue and electrical tape seem like they would make a mess. Any ideas for how to better insulate tiny wire solder joints in a spliced cable permanently or is buying 1mm heat shrink tubbing my best option?

Title: Re: 2mm heat shrink tubing too big for thin wires inside of USB-C cable
Post by: BreakingOhmsLaw on May 03, 2021, 07:17:49 am

You could remove the insulation staggered and use a single heat shrink.
o=solder joint. Does this make sense?

------o-----------------
----------o-------------
---------------o--------
--------------------o---

Title: Re: 2mm heat shrink tubing too big for thin wires inside of USB-C cable
Post by: SeanB on May 03, 2021, 08:05:13 am

Liquid electrical tape or the cheap alternative, nail varnish. Stagger the joints so that you have a single wire insulation thickness, and then paint the solder, then slip a sleeve over after it is dry, and you have given it a final coat over all the joins.