Title: Troubleshoot low-voltage electrical circuits.
Course: Heating, Ventilation, Air Conditioning, and Refrigeration I (17056-I) > Section: Understanding Basic Electricity

Troubleshooting should include

- following the troubleshooting process
- using electronic testing equipment
- adhering to safety precautions
- following manufacturer specifications and instructor guidelines.

Process/Skill Questions:

- What types of protection devices are installed on a low-voltage circuit?
- What device is used to shift from high-voltage to low-voltage, i.e., step up or step down?
- How is the volt-ampere (VA) rating determined?