Check with an electrician or consult your local community's electrical codes before bringing power to a submersible pump. Most codes require that a pump be plugged into a weatherproof receptacle located within 6 feet of the pump and 18 inches above the ground. This receptacle should be protected by a ground-fault circuit interupter (GFCI); a GFCI shuts down the circuit instantaneously should a potentially dangerous malfunction occur.
Check the code, too, to learn the components required for underground wiring in your area. Most call for underground feeder (UF) cable, rigid conduit, or a combination of both— conduit above ground, UF cable below. Codes also specify how deep cable and conduit must be buried. Neglect these regulations at your peril: electricity and water can be a lethal combination, especially outdoors.
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