The answer to 'how to test EV charger' is to perform a visual inspection, test the electrical connections, and verify the charger's functionality. First, visually inspect the charger for any signs of damage, loose connections, or wear. Then, use a multimeter to test the voltage and current at the charging port to ensure they match the charger's specifications. Finally, plug in an electric vehicle and confirm the charger is providing the expected power output.
It's important to take safety precautions when testing an EV charger, such as wearing protective gloves and turning off power before inspecting the unit. If you're not comfortable performing these tests or encounter any issues, it's best to call a licensed electrician to diagnose and repair the charger.