Determining whether a Ground Fault Circuit Interrupter (GFCI) safety outlet has gone bad and requires replacement involves performing diagnostic button tests and checking physical indicators. First, plug a lamp into the receptacle and press the rectangular "Test" button; a healthy unit will immediately cut power, causing the lamp to turn off and the reset button to pop outward. Second, if pressing the reset button fails to restore power or if the button pops right back out immediately, the internal latching solenoid or sensor is dead. You can troubleshoot GFCI wear easily using monthly button checks. You can verify that your corrective action is successful when replacing a non-responsive GFCI with a new self-testing unit ensures reliable trip protection and stable power delivery.
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