The answer to 'electrical wiring dimming lights' is that there are several common causes for dimming lights, including faulty wiring, outdated dimmer switches, and issues with the electrical panel or circuit breakers. Symptoms may include flickering, inconsistent brightness, or lights that won't dim properly. Solutions can range from replacing a dimmer switch to rewiring the entire circuit, depending on the root cause.
If the issue is with the dimmer switch, this is often a DIY-friendly repair. However, if the problem is with the home's electrical wiring or panel, it's best to call in a licensed electrician to diagnose and fix the issue safely. Attempting major electrical work without proper training and experience can be extremely dangerous.