16 Multiple Choice 2 points A resettable overload device that will open automatically if the current flow through the device goes over its rating best describes a Pilot-overload relay Breaker Fuse O Time-delay fuse 17 Multiple Choice 2 points What does it mean if a technician measures 225 volts at an operating condensing unit and 240 volts at the breaker in the panel supplying voltage to the condensing unit circuit? The unit is connected to the wrong voltage The circuit breaker connected to the unit is too small The conductor supplying power to the unit is too large There is a voltage drop of 15 volts through the conductor 18 Multiple Choice 2 points Which of the following is a type of enclosure for a disconnect switch? Explosion-proof All of the choices are correct General type Rain-tight 19 Multiple Choice 2 points 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 16 AWG 2/0 AWG 10 AWG O 6 AWG 20 Multiple Choice 2 points How much voltage drop will there be through a conductor with a resistance of 0.5 ohms and a current flow of 20 amps? O 20 volts 100 volts 10 volts O 120 volts