Gfretwell:
I believe the reasoning for disconnecting the grounded conductor was required to prevent any possibility of electrical energy to be present within the dispensers.
Hence, the availability of a cb with the facility to 'open' the neutral conductor.
Gregtaylor:
The assured elimination of all electrical energy within the dispenser is, IMHO the intent of 514.11. Both for service and maintenance of the dispenser, via the circuit breaker for the dispenser/item requiring maintenance AND in emergency situations, the EPO which kills ALL power to the fuel islands. We seem to agree on this.
The OP leads me to follow the scenario for the EPO, which, again IMHO should be compliant via the termination of the transformer primary. This method must not affect any life safety items when the EPO is activated.
