The answer to 'why is my electrical wiring not working' is that there could be several common causes, including a tripped circuit breaker, loose connections, damaged wiring, or an overloaded circuit. Symptoms may include lights flickering, outlets not working, or a burning smell from the wiring.
If the issue is a tripped circuit breaker, you can try resetting it. However, if the problem persists or you notice any other concerning signs, it's best to call a licensed electrician to diagnose and repair the issue. Attempting DIY electrical work can be dangerous if you're not properly trained, so it's generally recommended to have a professional handle any significant electrical problems.