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1. For 1000 volts, nominal or less what is the minimum size copper conductor for spans up to 50'?

8AWG

6AWG

4AWG

10AWG

Question 1 of 25

2. In a PV system, a ________ is a device meant to change direct-current input to alternating-current output.

Transformer

Inverter

Breaker

Conductor

Question 2 of 25

3. Flexible metal conduit or liquid tight flexible metal conduit not exceeding ______feet in length shall be permitted to be employed for raceway connection to a motor terminal enclosure.

9

5

6

7

Question 3 of 25

4. Receptacles in health care facilities that have isolated grounding terminals as described in 250.146(D) are allowed in the vicinity of patient care areas.

True

False

Question 4 of 25

5. The lighting demand factor of the first 3000 VA or less in dwelling units is ______ percent.

100

70

80

90

Question 5 of 25

6. Surface-mounted incandescent luminaries (fixtures) installed on the wall above the door or on the ceiling in clothes closets shall have a minimum clearance of ______ inches between the luminaire and the nearest point of storage.

11 inches

12 inches

10 inches

13 inches

Question 6 of 25

7. What is the maximum standard size over current protection device to protect an installed 40-gallon electric water heater with a nameplate rating of 4,500 watts at 240 volts, single phase?

31 amperes

30 amperes

29 amperes

28 amperes

Question 7 of 25

8. What is the minimum length, in feet, for rod and pipe ground electrodes made of specific materials?

8

10

7

6

Question 8 of 25

9. Auxiliary gutters made of sheet metal must be secured and supported at intervals of ft. or less along their entire length.

5 feet

3 feet

6 feet

4 feet

Question 9 of 25

10. Which of the following outdoor 15 or 20 ampere, 125-volt, single-phase receptacles at a dwelling unit are not required to be GFCI protected? A receptacle installed:

on a dedicated branch circuit to supply snow-melting equipment at the roof.

on a second-floor balcony

on the wall at a height of 7 ft above the ground level

in an open carport.

Question 10 of 25

11. What is generally the maximum distance above the counter-top for receptacle outlets in dwelling unit kitchens?

30 inches

20 inches

40 inches

50 inches

Question 11 of 25

12. What is the maximum continuous load for 12 AWG copper?

30

25

16

20

Question 12 of 25

13. If a warehouse uses mercury vapor lighting in the storage area, and the storage area is 40,500 square feet of space, what is the minimum lighting load?

30,375VA

10,125VA

20,250VA

8,850VA

Question 13 of 25

14. A single electrode consisting of a rod, pipe, or plate that does not have a resistance to ground of ________ or less shall be augmented by one additional electrode.

30 ohms

20 ohms

25 ohms

35 ohms

Question 14 of 25

15. In hospital occupancies, the unit load for general lighting must be at least _________ VA per square foot.

1.6 VA

1.5 VA

2 VA

3 VA

Question 15 of 25

16. According to the NEC, fixed outdoor deicing and snow melting equipment is to be considered as a _____ load.

simultaneous

intermittent

non-continuous

continuous

Question 16 of 25

17. Raceways must not be used to support Class 2 or 3 cables.

False

True

Question 17 of 25

18. Overhead conductors for festoon lighting shall not be smaller than ________ unless the conductors are supported by messenger wires.

12 AWG

8 AWG

10 AWG

14 AWG

Question 18 of 25

19. The clear zone distance from the top of a bathtub rim or a shower stall threshold must be at least_______ ft. horizontally for any parts of chain-, cable- or cord- suspended luminaries, cord-connected luminaries (fixtures), lighting track, pendent, or ceiling-suspended (paddle) fans.

5

3

4

2

Question 19 of 25

20. An electrode encased by at least 2" of concrete shall be permitted to be 20' of base copper conductor not smaller than _________ AWG.

10

4

8

6

Question 20 of 25

21. ____ shall not be considered wall space for spacing receptacles in a dwelling unit.

Fixed room dividers

Sliding glass doors

Any space 2 ft or more in width

Fixed panels in exterior walls

Question 21 of 25

22. The total calculated load for circuits supplying loads made up of motor- operated utilization equipment fastened in place that has a motor larger than _______ hp in combination with other loads, will be based on 125 percent of the largest motor load and the sum of the other loads.

1/2

1/7

1/8

1/5

Question 22 of 25

23. In locations other than dwelling units, a 40-ampere branch circuit shall be permitted to supply the following loads:

Fixed lighting units with heavy duty lamp holders

All of the above

Other utilization equipment

Infrared heating units

Question 23 of 25

24. Where a permanently installed outdoor swimming pool is located on residential or commercial properties, at least one (1) single-phase, 125-volt, 15- or 20-ampere receptacle shall be located not less than _____ from and not more than _____ from the inside wall of the swimming pool.

5 feet - 20 feet

6 feet - 20 feet

6 feet, 6 inches - 10 feet

10 feet - 20 feet

Question 24 of 25

25. When a 20-ampere branch circuit serves a single receptacle outlet, the rating of the receptacle generally must be at least:

20 amperes

30 amperes

15 amperes

10 amperes

Question 25 of 25

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