In the past, I've used duct tape on cables (e.g., Power, LAN). For instance, I taped cables to a wall, I taped cables together for storing etc. The taping often failed after some time: The taping ...
So we had a bathroom tap that looks pretty much like this: the red lines I drew are where the tap has a kind of screw joint that separates the head from the side hot/cold taps. The problem is the ...