How to Install a GFCI Breaker for a Spa


Anytime you have electricity in close proximity to water, you must use a ground fault circuit interrupt (GFCI) breaker or outlet. This breaker monitors the electrical load between the hot and neutral wire. When it senses an imbalance between the two, it quickly turns off the power. This protection system is necessary to prevent electrocution. Installing a GFCI breaker for your spa can be dangerous, because of the potential for contact with electricity. If you are uncomfortable with safe electrical practices, it is recommended you hire an electrician to make this connection.

Things You'll Need

  • Flashlight
  • Non-contact voltage detector
  • Screwdriver
  • 240-volt GFCI breaker
  • Switch on the flashlight. Turn off the power to the home at the main breaker. Confirm the power is off. There should be no power in the home at all.

  • Loosen the four screws that secure the distribution panel cover and remove the cover. Do not remove the cover for the main breaker.

  • Locate two empty slots in the electrical panel for the 240 volt GFCI breaker.

  • Flip the breaker's switch to the off position.

  • Insert the breaker into the two available slots tilted slightly towards the center of the panel, until the back is secured. Push down on the front of the breaker, until it locks in place.

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