In the installation of the motor, the motor wiring is very important, if the wrong wiring may bring a series of unnecessary trouble. In the process of wiring, it is often necessary to ground the motor shell, because the harm of non grounding of motor shell will be very serious. Why is it harmful not to be grounded?



1. When the insulation of the motor stator winding is poor, aging or the stator winding collides with the motor shell, the motor shell will be charged, and the motor shell has a high voltage to the ground.



2. If there is no grounding wire for the motor, the strong current will flow into the earth through the human body when people touch the motor shell, causing personal injury and death accidents. Therefore, the motor shell must be grounded when installing the motor, so as to avoid unnecessary accidents.