The answer to 'why is my electrical wiring outlet not working' is that there could be several common causes, including a tripped circuit breaker, a loose connection, a faulty outlet, or a problem with the wiring itself. Symptoms may include no power to the outlet, flickering lights, or buzzing sounds.
To troubleshoot, first check the circuit breaker to see if it has tripped. If so, reset it. If the outlet still doesn't work, use a voltage tester to check for power at the outlet. If there's no power, the issue could be a loose wire connection or a faulty outlet that needs to be replaced. For more complex wiring problems, it's best to call a licensed electrician to diagnose and repair the issue safely.