>> Yup. The cable itself will be fine, but terminating it into what is
>> designed for rigid conductors may cause problems.
>
> Twisting and tinning makes for a pretty good compromise here.
Actually, that's a rather bad thing to do as solder creeps under presure, so the contact pressure drops and you get a bad connection. The right thing to do is to use a bootlace ferrule (which should be crimped on, but you can solder that on instead if it's a tight fit on the conductors).