Two LV feeders from a secondary side transformer - Does it meet 240.21(C) (4) & 450.3?

[jesusrperezd]

What if there is a cable failure between the transformer and one of the panel-boards.. What will open the fault?

The next upstream device is at the medium voltage side of the transformer

 

[jesusrperezd]

Dimming panels and stage company switches in a Broadway Theater in NYC.

Did the size and quantity come from unbalanced load and/or harmonics?

 

[infinity]

Did the size and quantity come from unbalanced load and/or harmonics?

The 200% neutral was for the potential of harmonics.