pic: Who can identify what this is?

[Kevin Sevcik]

Originally Posted by Ekcrbe

We also gave both sides of a Black Jag power from the PDB while working on our 2012 practice board, and when we noticed that Jaguar's status LED wasn't on, we followed both pairs of wires coming from it back to adjacent slots in the power distribution board. Nothing noticeable happened when we powered it on, but swapping it out with another and wiring it properly solved that.

This is officially on my Top Ten Unlikely Wiring Mistakes. Because wiring it properly and backwards at the same time is pretty impressive.