Fix an Electrical Circuit for a Sump Pump or Septic Pump


By Dave Rongey - Summary:

My pump is not working and I am trying to troubleshoot the problem: How to Identify Typical Septic Pump Problems.


Sump Pump and Septic Pump Problems

Electrical Question: My pump is not working and I am trying to troubleshoot the problem.

My question:

Thanks for any help you can provide.
Tom

This electrical wiring question came from: Tom, from Minneapolis, Minnesota.

Dave’s Reply:
Thanks for your electrical wiring question Tom.

How to Install and Repair a Sump Pump or Septic Pump

Application: Sump Pump or Septic Pump.
Skill Level: Intermediate to Advanced – Best installed by a Licensed Electrician.
Tools Required: Basic Electricians Pouch Hand Tools, electric drill,  auger bits and extension cord.
Estimated Time: Depends on personal level experience, ability to work with tools and install electrical circuit wiring.
Notice: Installing additional outlet wiring should be done with a permit and be inspected.

Example of a Typical Sump Pump or Septic Pump Circuit

A dedicated 120 volt 20 amp GFCI protected circuit. See installation manual for specific details and circuit requirements. Septic pumps typically do not require GFCI protection.

How to Identify Typical Septic Pump Problems

testing a pump

Septic System Circuit Power

Septic Pump Float Switches

Septic Pump Motor

IMPORTANT:

More about Installing and Repairing Electrical Circuit Wiring



 
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Wiring GFCI Outlets
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Wiring 3-Wire and 4-Wire Electric Range
Wiring 3-Wire and 4-Wire Dryer Cord and Dryer Outlet
How to Troubleshoot and Repair Electrical Wiring
Wiring Methods for Upgrading Electrical Wiring
Electrical Codes for Home Electrical Wiring
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Be Careful and Be Safe - Never Work on Energized Circuits!
Consult your Local Building Department about Permits and Inspections for all projects.

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4 Responses to “Fix an Electrical Circuit for a Sump Pump or Septic Pump”
  1. Dave Rongey says:

    Hi JC,
    I would inspect the sump pump electrical wiring, especially where the cord enters the cord connector of the pump. Make sure there are no areas of the cord where the insulation is cracked, nicked or pinched. Also make sure the pump is in good shape. If the pump is older then it may have developed normal wear and tear which can lead to water seeping into the electrical component areas.
    You may consider exchanging the GFCI outlet with a known good one to see if the GFCI is faulty. Also make sure the outlet box enclosure is dry and free of any moisture.
    I hope this helps,
    Dave

  2. jc says:

    Hi Dave
    I’m having an issue with my septic pump tripping out my GFI but when I plug it into another outlet its fine. Also I have 2 GFIs on the same circuit, 1 outside and 1 in the basement. 1 is for the pump, and 1 is for an alarm. Any thoughts?

  3. Dave Rongey says:

    Hi JR,
    In the USA the typical home electrical service panel has two separate main lines of power, so the 120 volt circuits are connected to one or the other main lines. If one of the main line has a problem then it could affect many circuits. This may be what the home is experiencing. The main circuit breaker may be partially tripped which will interrupt power to one side of the main power. The main circuit breaker should be turned OFF and then back ON to see if this solves the problem.
    Dave

  4. JR says:

    There was a snow storm. Then a light in two separate rooms and the bathroom exhaust fan stopped working. There are all different rooms. The sump pump breaker was tripped. How is this connected? Why are the problems in some of the room but not all the room?

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