Three-wire control is impractical for preventing motor restart because momentary line voltage fluctuations occur in many localities.
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Q1: There is a possibility of injury to
Q2: With three-wire control, each time a voltage
Q3: The time-delay, low-voltage release device consists of
Q4: One method of preventing motor restart is
Q5: Restarting motors manually can cause damage to
Q6: It is desirable to provide some means
Q7: To have the motor restart automatically, the
Q8: The use of a time-delay, low-voltage release
Q9: If the voltage failure exceeds the time-delay
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