Submersible sewage pump is a solids handling pump with a large outlet and a powerful motor, designed to move liquid and sewage waste up to 2 inch in diameter. When we use sewage pump, there are also a lot of points to pay attention to, such as electric pump housing ground wire must be received in strict accordance with the relevant regulations; Do not wash items nearby when submersible pump is working; After the pump is connected, the direction of rotation from the inlet is counterclockwise. In this article, we will introduce some precautions when using sewage pump.