All conductors including the Grounded conductor Must be broken.
480 Volt 3 phase (Transformer mini power center) to 120-208 volt secondary Panel
that feeds pumps & dispensor circuits.
Shunt trip the Primary (480 volt 3 phase) thur Emergency stop button.
Completely Shuts dn Panel feed to 120/208 volt off.
Does this meet the intent of the code?
(Never saw it done this way )??