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Exam (elaborations)
Review for Chapter 1 Graded A+
Review for Chapter 1 Graded A+ 
A heating and air-conditioning service technician can usually troubleshoot heating and air 
conditioning systems without the voltage being supplied to the equipment. 
T or F 
True 
What is a live electrical circuit? 
A circuit that is being supplied with electrical potential (voltage). 
Which of the following voltages will a refrigeration, heating, and air-conditioning technician come in 
contact with in the industry? 
24 volts 
120 volts 
240 Volt...