(1) The grounding protection and leakage protection devices of submersible pumps should be complete and effective.
(2) The power cord of the submersible pump should be made of waterproof rubber cable and should not have any joints.
(3) Submersible pumps should be placed upright in water, and the pump body should not sink into sludge or protrude from the water surface. When putting it into the water or lifting it out of the water surface, the rope should be pulled and it is forbidden to pull the cable.
