Yes, an electrical outlet can completely fail and stop working without tripping the corresponding circuit breaker at the main electrical service panel. This typically happens when internal mechanical components wear out, such as terminal wire connections loosening under thermal expansion, or internal spring contacts breaking due to heavy daily use. Additionally, if the outlet is downstream from a tripped Ground Fault Circuit Interrupter (GFCI) safety receptacle, the breaker will remain untouched while power is cut. You can troubleshoot outlet failures safely by isolating power with a circuit breaker first. You can verify that your corrective action is successful when inspecting the receptacle and replacing a broken or loose outlet restores continuous 120-volt power.
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