Hey Fellas, I've got a question I was hoping someone could help me with. Is it possible to adapt a NEMA L6-30P to an L21-30P 3 phase plug? So there's an L21-30 receptacle and I have a PDU with an L6-30 plug on it, so I'm thinking a 1 foot adapter that goes L21-30P to L6-30R. I've done some...