1. The voltage level received at a typical residence is _____.

2. Wrapping an energized conductor around an iron bar creates a(n) _____.

3. In a typical power plant, the turbines of power generators are rotated by _____.

4. The outcome of an electric shock is based on _____.

5. Voltages of 600V or more are _____.

6. Lockout/tagout requirements are set forth by _____.

7. Air, steam, and water under pressure are all examples of _____.

8. The electromotive force that causes electrons to flow is most commonly called _____.

9. If a 9V battery produces a current of 3A through a load, the resistance of the load is _____.

10. How much power is consumed by a circuit with a 120V source that draws 18A through a resistive load?

11. At any point in a series circuit, the measured current will always be _____.

12. In which type of circuit will a voltmeter read the same voltage drop when it is placed across each circuit load?

13. Which type of circuit is uncommon in HVACR work?

14. When using a voltmeter to measure a voltage and there is no indication of how high it might be, always set the meter to _____.

15. Which of the following values can be measured by placing a meter in series with an energized load?

16. Which instrument is commonly used to simply determine if a circuit is open or closed?

17. Which of these values must measured with power off?

18. Many handheld, battery-operated megohmmeters can develop a test voltage of up to _____.

19. A megohmmeter test of a compressor motor winding produces a reading of 150MΩ. This indicates _____.

20. Expanding the electrical service to install a heat pump can potentially be avoided by using _____.

21.

The symbol shown in the figure above represents a _____.

22. A short circuit is what happens when _____.

23. What type of circuit breaker provides a time-delay feature, much like a time-delay fuse?

24. A 24-volt, 40VA transformer can sustain a current load of _____.

25. The colors of wires in an electrical circuit are often shown on the _____.