... switching on/off of certain loads, fiuorescent lights, motor speed controls, light dimmers.Over-Voltage: Long duration(milliseconds, seconds, minutes, ... limits. Depending on the lecel of the over-voltage, the damage can be instantaneous, severe and irreparsble. What cause it ... connection between two phases).Brown -Out: Long duration of low voltage (milliseconds to seconds, minutes, hours or days).What ...