"Ron in NY" wrote in message
Does any experienced electrician here know why the dispenser
company (Dresser Wayne) wants both the hot and neutral
disconnected when you shut off the breakers ????


Because you would be shutting off power so someone could service the
dispensers. And when servicing these dispensers, you would not want
any potential sparking. A neutral under certain malfunction situations
can be energized. That could cause a spark. Thus they are removing
that risk.

Additional protection elsewhere, besides disconnecting all current
carrying conductors, is to also ground them!