When only specific electrical outlets stop working while others in the home continue to function normally, the issue is typically isolated to a broken branch circuit, a tripped upstream GFCI safety receptacle, or a loose terminal wire connection. Electrical wiring in homes is routed in loops or daisy-chains; if a wire loosens from the side terminal screw of an active outlet, power is cut to all subsequent outlets downstream. You can troubleshoot selective power loss safely using a multimeter. You can verify that your corrective action is successful when locating the upstream GFCI, resetting a tripped breaker, or securing loose terminal wiring restores electrical voltage to all affected dead outlets.
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