Therefore, it is important to guarantee the grounding of electric equipment and electrostatic grounding of human body, while taking regular check and maintenance seriously.
因此，必须做好电气设备的保护接地和输油管线等设施及人体的排静电接地，并且要认真地进行检查和维护。
2
Four, grounding power supply, the cabinet must be ground, check line insulation situation, and then after the test run.
接地电源，机壳必须接地线，检查线路绝缘情况后，方可试运转。
3
Put all the power switches and electrical switches in the "off" position, check whether the power supply has reached the requirements and the chassis of the machine grounding reliability.