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26111-11 Residential Electrical Services

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

Question 1 of 35

2. In a residential pool area, receptacles ________.

Question 2 of 35

3. Romex® is a trade name for ________.

Question 3 of 35

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

Question 4 of 35

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

Question 5 of 35

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

Question 6 of 35

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

Question 7 of 35

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

Question 8 of 35

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

Question 9 of 35

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

Question 10 of 35

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

Question 11 of 35

12. A feeder is used to connect ________.

Question 12 of 35

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

Question 13 of 35

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

Question 14 of 35

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

Question 15 of 35

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

Question 16 of 35

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

Question 17 of 35

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

Question 18 of 35

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

Question 19 of 35

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

Question 20 of 35

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

Question 21 of 35

22. A GFCI sensor will trip when the ________.

Question 22 of 35

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

Question 23 of 35

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

Question 24 of 35

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

Question 25 of 35

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

Question 26 of 35

27. Traveler conductors are used to connect two ________.

Question 27 of 35

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

Question 28 of 35

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

Question 29 of 35

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

Question 30 of 35

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

Question 31 of 35

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

Question 32 of 35

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

Question 33 of 35

34. A grounding electrode conductor must be ________.

Question 34 of 35

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

Question 35 of 35


 

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