电动机接地安装检查：关于水泵与电动机共轴的电泵，电动机应在恰当位置上设有接地螺钉，并在接地螺钉左近设有接地标志；小型潜水泵应有牢靠的接地安装和接地线，引出电缆的接地线上应有明显的接地标志；该标志应在电机运用期内不易被磨掉。此项是电泵的重要平安指标之一。
Motor grounding installation inspection: for the electric pump in which the water pump is coaxial with the motor, the motor shall be equipped with grounding screw at the appropriate position, and a grounding mark shall be set near the left of the grounding screw; The small submersible pump shall be provided with reliable grounding installation and grounding wire, and the grounding wire of the outgoing cable shall be provided with obvious grounding mark; This sign shall not be easily worn off during the operation period of the motor. This is one of the important safety indicators of electric pump.
