Not Banana, no .. no hole.. more like a power supply terminal.

Either ring type crimp, or wrap wire and tighten up screw.
I usually make a loop in the wire and solder the end before connecting it up (if that makes sense ?)

Good luck with your grading .. I came out of mine with a broken rib ! lol .. we go a bit carried away :)
Still .. no blood .. do no disqualification :D
Which Kata have you chosen ?