Let's say you are cleaning some USB ports/plugs with chenille pipe cleaners moistened with alcohol. As you can see from the image of a USB port below, the raised wire contacts inside the port could cause chenille fibers to become stuck to them (and indeed that happened to me recently).
According to Wikipedia, chenille can be made from cotton, acrylic, rayon or olefin. A couple of resources I found said that those materials are all electrically conductive to some degree:
- cotton is "slightly conductive"1
- acrylic has "fair to good" electrical conductivity2
- rayon has "fair" electrical conductivity2
- olefin has "excellent" electrical conductivity2
So if a chenille fiber got stuck inside a USB port, could that cause any problems with the operation of the port (such as by creating an electrical short if the fiber touched 2 of the wire contacts)?