Transformer on mobile piece of equipment

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mmiller

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I have a 3 phase heater controller used in Injection Molding that is on a mobile cart.

I would like to put a 15kva 480 Primary (delta) to a 240v secondary(center tap) transformer on it.

couple of questions.
1. Can the primary side be hooked up via a 30a twist lock ?
2. I would bond the X0 or X4 terminal to the case of the transformer
3. I would be bond the controller case to the metal cart and the metal cart to the transfomer case
4. The primary side ground coming from the source panelboard would also be tied to the same point


The secondary's land on the controller 3 pole breaker for OCPD
 
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