ABOUT TRANSFORMER 460V TO 230V

If your 3-prongs are angled to be able to be able to be plugged right into a three-prong 50A receptacle Then you definitely are accurate in that it must Have got a built-in jumper and the 120V neutral & ground would be tapped off the same wire. I don't see how the solution could have gained its CSA listing if which was the situation.  Abide by com