Re: shielded cable
Here is how I terminate a STP cable, if it has a drain wire: Trim off 6" of the cable jacket. use a 1" length of heat shrink and a 6" length of clear sleeving. slide the clear sleeving over the drain wire, slide the heat shrink over the cable, center it over the end of the STP jacket, and shrink. strip off the clear sleeving just like a conductor.
the drain wire or sheild is bonded at one end only.
If its braided shield, its a bit tricker, you have to pull the conductors thru the shield, and then use clear heat shrink over the shield, and then heat shrink over the end of the cable jacket