WARNING-ish.
I don't know if this has happened to any other team, but our ring light shorted somewhere along the skinny wires they shipped with and there was a small electrical fire (while it was on our robot). Although we had it soldered to a thicker cable (was heavily covered up by electrical tape

) that went to the PD board, we're sure it happened somewhere along the skinny cable because the shorting happened somewhere along the upper half of the wire (which literally melted away).
We got rid of all the wires and soldered 12 gauge wire directly the ring itself and power comes from the PD board. The light glitched a bit at first (one of the LED's stopped working) but came back to life the following day.
Whatever you do, make sure the wires that connect to the ring light don't touch each other!
-btw one of our mentors thought this was weird because a breaker should trip when something shorts, but that didn't happen. maybe because our shorting issue went away after the wire melted? any answers to this o.O?-