The answer to 'types of troubleshooting' is that there are several common methods electrical technicians use to diagnose and fix electrical issues in homes. The most common types of troubleshooting include visual inspection, voltage testing, current testing, and component testing.
Visual inspection involves closely examining the electrical system, including the circuit breakers, wiring, outlets, and appliances, to identify any obvious damage, loose connections, or other visible problems. Voltage testing uses a multimeter to measure the electrical potential at different points in the circuit, which can help identify issues like voltage drops or loss of power. Current testing measures the flow of electricity through the circuit, which can pinpoint areas where the current is too high or too low. Component testing involves checking individual electrical components like switches, receptacles, and motors to see if they are functioning properly.