![]() These breakers protect circuits for pools and spa tubs, along with receptacles in wet areas like bathrooms, kitchens, garages, and exterior. The GFCI-breakers protect against ground faults, which is essentially current that is traveling off the intended circuit and may be shocking you. To reset, you push the breaker switch all the way to “OFF” and and then back to “ON.” If nothing happens when the test button is pushed, that means the device is not functional and therefore not protecting the circuit in the way it was designed. When the test button is pushed the device simulates the defect that it s designed to protect against, and trips the breaker to the middle position if functioning properly. ![]() There are two primary types: GFCI (Ground Fault Circuit Interrupter) and AFCI (Arc Fault Circuit Interrupter). And older GFCI breaker from the 1980s with a red test button is shown below. All circuit breakers provide “overcurrent protection.” This means that, if current in excess of the breaker’s rating in amps is flowing through the circuit, the breaker will trip and disconnect the circuit to avoid overheating the wiring or equipment it serves, which could potentially start a fire.īreakers with a small colored button marked “TEST”-it could be white, yellow, green, or red-have a dual protective function.
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