The answer to 'electrical wiring not working' is that there are several common causes, including loose connections, damaged wiring, overloaded circuits, or a problem with the circuit breaker or fuse. Symptoms may include lights flickering, outlets not working, or breakers tripping frequently.
Some simple troubleshooting steps you can try are checking the circuit breaker, inspecting visible wiring for damage, and ensuring all connections are tight. However, if the issue persists or you're not comfortable working with electrical systems, it's best to call a licensed electrician to diagnose and repair the problem properly and safely.