Well it works fine till I plug in the VFD so I guess I'll have to rewire 
the machine and my shop again :(

JT

On 12/20/2015 2:25 PM, John Dammeyer wrote:
> Hi John,
>
> It sounds as if you have two AC lines coming into the machine.  One for the
> controller and one for the VFD.  The comments about a single star ground
> point are standard industry practice.  One breaker at the panel which
> protects the wire to the machine.  Another breaker inside the machine that
> protects the equipment.
>
>


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