The answer to 'EV charger installation sparking' is that this is a potentially serious issue that should be addressed promptly. Sparking during EV charger installation can be caused by a variety of factors, including improper wiring, faulty electrical connections, or issues with the charger itself. Symptoms may include visible sparks, flickering lights, or tripped circuit breakers.
In this situation, it's best to stop using the charger immediately and call a licensed electrician to diagnose and resolve the problem. Attempting to troubleshoot or repair the issue yourself can be dangerous and may result in further damage or even electrical shock. A professional will be able to thoroughly inspect the installation, identify the root cause, and make any necessary repairs or replacements to ensure safe and reliable operation of your EV charger.