What is the minimum size type THWN conductor that can be used to supply power to a unit with a minimum circuit ampacity (MCA) of 26 amps O 2/0 AWG 6 AWG 16 AWG 10 AWG 177 Multiple Choice 2 points What items are commonly given on troubleshooting charts for HVAC equipment? Necessary remedy or repair action to correct the problem Causes of the symptoms All of the choices are correct Symptoms of improper operation 178 Multiple Choice 1 point Which of the following choices best describes the control sequence for the compressor on a typical residential condensing unit? O The pressure switch controls the thermostat, which controls the contactor, which controls the compressor The thermostat controls the control relay, which controls the contactor, which controls the compressor The thermostat controls the blower relay, which controls the fan and compressor O The thermostat controls the contactor which controls the compressor 179 Multiple Choice 1 point Which of the following low-voltage thermostat terminals should be energized when there is a call for heating? O W O All of the choices are correct O 180 Multiple Choice 1 point What is the resistance of a 6 AWG copper conductor that is 500 feet long at 77F? O 0.202 ohms O 0.403 ohms 0.801 ohms OO 1.01 ohms