【单选题】You deployed new fibers in your network to replace copper spans that were too long. While reconnecting the network, you experienced network problems because you reconnected wrong fibers to wrong ports...
【单选题】You are reconnecting a three-phase induction motor to the supply line. To pr possible damage to the load, due to the wrong direction of rotation, you should ______.
A.
connect the motor and then use the 'jog' button to determine the direction of rotation
B.
connect the phase indicator to the motor leads, rotate the motor by hand and then connect to the supply voltage
C.
connect the phase indicator to the supply voltage then connect the motor
D.
check the supply line phase sequence and motor rotation with appropriate indicators, then connect correspondingly marked leads