Alternatively, heat-shrink tubing (see below) is suitable for sealing open cable sheaths quickly and reliably. Repair the cable core in just a few steps If cables from low-current devices (up to ...

Pick up a short length of 12-2 nonmetallic cable and a package of heat shrinkable tubing. Peel off the outer jacket of 12-2 nonmetallic cable. Then strip off about 8 in. of insulation from the ...