This type of overload isn't as common anymore... But the basic principles of troubleshooting are the same. We have a high voltage circuit that is cut by a low voltage control circuit. Understanding and knowing wiring schematics well will help a lot. Interplay Learning has many helpful courses from basic, intermediate and advanced. #hvac #hvacsystem #hvactraining #hvaccourses #hvaceducation #HVACKnowledge #hvaclife #refrigeration #virtualhvactraining #skilledtrades #bluecollar | HVAC Know It All