I went back and re read your post. The manufacturer says they build these cables with spades on amp end and bananas on the speaker end, that would be the directionality of said cables. Other combination of ends if requested, so if you were to buy these they would most definitely have an arrow on them or other tell tale sign on which direction they go.
They would say which way they go and your asking members here how they would know which direction?
You were trying to drum up some criticism and start a cable bashing from a member, you've stated your purpose's in your last post, that's my take on it.
if you were genuinely interested, you'd asked if someone else had these cables to begin with and how do they know which direction?