It is of utmost importance for service technicians to understand voltage troubleshooting when servicing HVAC and refrigeration equipment. The majority of service problems are electrical problems, ...

I'm having problem with a starter motor on a riding mower, and need to check if the motor is getting juice and not working or if something else isn't working and no juice is getting to the starter.

Our last article covered voltage troubleshooting in series with power-consuming devices (motors) [“Electrical Troubleshooting,” March 5, p. 16]. The article differentiated between an open and a closed ...