Mytek Digital Private-Q DL Cable Assembly Using Canare MR202-16AT - Manual (Page 4)

7. Separate the 3 wires and place clear 1/32 inch diameter clear
heatshrink on the bare ground wire. To cut the proper length slide
the clear heatshrink all the way on to the wire, then place the
cutters so that it leaves ~1/8 inch of wire at the end. Hold the
cutters place, lift the clear tube free from the wire, then cut.
8. Slide the piece of black heatshrink over the 3 wires and the clear
heatshrink and shrink it with a heatgun.