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Free NATE Air Conditioning Exam Practice Questions
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Question 1 of 10Core: Basic Electricity
A condensing unit does not start on a call for cooling. The ladder diagram shows the contactor coil in series with a normally closed high-pressure switch and a normally closed low-pressure switch, and the thermostat Y circuit is making. A technician measures 24 volts across the low-pressure switch terminals. What does this reading show?
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