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26111-11 Residential Electrical Services

1. To control stairway lighting, a wall switch is required at each level when how many risers separate floor levels?

Question 1 of 35

2. A grounding electrode conductor must be ________.

Question 2 of 35

3. An electric heat pump is a type of HVAC system that ________.

Question 3 of 35

4. How many square feet of livable space are in the home in the figure above?

Question 4 of 35

5. Which of the following is required to carry the lighting load for the residence in the figure above?

Question 5 of 35

6. To control a device from three locations, a four-way switch must be used with which of the following?

Question 6 of 35

7. Exposed noncurrent-carrying metal parts of fixed equipment must be grounded if the equipment operates with any terminal over ________.

Question 7 of 35

8. Romex® is a trade name for ________.

Question 8 of 35

9. A GFCI sensor will trip when the ________.

Question 9 of 35

10. Which of the following circuits require a minimum of 20A of overcurrent protection?

Question 10 of 35

11. The minimum clearance of service drop conductors over a residential driveway is reduced to 12 feet when the voltage is limited to ________.

Question 11 of 35

12. Conductors used for electric heating units must be sized for what percentage of the heater's nameplate rating?

Question 12 of 35

13. The NEC® allows the load calculation for the grounded neutral conductor supplying electric ranges and dryers to have a demand factor of ________.

Question 13 of 35

14. Any outlet that supplies power to a hot tub shall be ________.

Question 14 of 35

15. Power to the entire residence is shut off at the main service disconnect located ________.

Question 15 of 35

16. A feeder is used to connect ________.

Question 16 of 35

17. Which of the following must be supported at intervals of 6 feet or less?

Question 17 of 35

18. In a residential pool area, receptacles ________.

Question 18 of 35

19. Which of the following is the minimum NEC® lighting load requirement for the home in the figure above?

Question 19 of 35

20. When a noncombustible wall finish is used, an outlet box may be recessed ________.

Question 20 of 35

21. One of the advantages of electric heat is that ________.

Question 21 of 35

22. Which type of cable with a corrugated sheath has a maximum bend radius of 7 times the cable diameter?

Question 22 of 35

23. The conductors that extend from the panelboard to various outlets are called ________.

Question 23 of 35

24. Which of the following will detect a current imbalance as low as 4 milliamps?

Question 24 of 35

25. Listed FMC may be used as an equipment grounding conductor if the circuit conductors are protected by overcurrent devices rated at ________.

Question 25 of 35

26. According to NEC Section 220.53 , loads for which of the following appliances shall be permissible to apply a demand factor of 75%?

Question 26 of 35

27. When used as an outside service-entrance conductor, which of the following must be secured every 30 inches?

Question 27 of 35

28. The section of the NEC® that lists the requirements for installing service disconnecting means is ________.

Question 28 of 35

29. Traveler conductors are used to connect two ________.

Question 29 of 35

30. According to the NEC®, which of the following is required for the small appliance loads in each kitchen area?

Question 30 of 35

31. Which of the following is an NEC®-approved grounding electrode?

Question 31 of 35

32. Which section of the NEC® covers the installation of pools and spas?

Question 32 of 35

33. Which section of the NEC® covers equipment grounding and equipment grounding conductors?

Question 33 of 35

34. Cables routed through bored holes in framing members must maintain a distance from the nearest edge of not less than ________.

Question 34 of 35

35. Which of the following locations at dwelling units require GFCI protection?

Question 35 of 35


 

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