Emergency Switching is allowed under what conditions
To help relieve a low frequency condition as provided for in Operating Bulletins for Receiving Stations.
To relieve an overload condition on a standby circuit or if a feeder bus voltage is 15 volts, (based on 120) volts, or more below normal.
To de-energize faulty equipment for the time necessary to isolate it, when failure to do so would allow hazardous conditions to exist.
To avoid personal injuries or additional personal injuries to any person who may be in contact with, or in proximity to, an energized conductor.