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1. 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?

8,850VA

20,250VA

30,375VA

10,125VA

Question 1 of 25

2. Receptacle providing power for swimming pool recirculating pump motors must be GFCI protected, grounded, and must be at least how far from the inside walls of the pool?

6 feet

4 feet

2 feet

5 feet

Question 2 of 25

3. The load for household electric clothes dryers in a dwelling unit(s) shall be _______ watts (volt-amperes) or the nameplate rating, whichever is larger, for each dryer served.

7000

5000

4000

6000

Question 3 of 25

4. Non -metallic-sheathed cable shall be secured by staples, cable ties, straps, hangers, or similar fittings at intervals not exceeding __________ feet.

3-1/2

4-1/2

5-1/2

2-1/2

Question 4 of 25

5. Based on the largest conductor connected to the switch, for the purpose of determining conductor fill in a device box, how many conductor(s) is a three -way switch counted as equal to?

3

1

2

4

Question 5 of 25

6. For a branch-circuit where lighting outlets or general-use receptacles are also supplied, what is the maximum percentage of the rating that may not be exceeded by a cord-and- attachment-plug-connected room air- conditioner?

40%

50%

60%

70%

Question 6 of 25

7. Receptacles shall be installed so that at no point the wall space is greater than _____ from a receptacle outlet.

6'

4'

2'

8'

Question 7 of 25

8. For installations to supply only limited loads of a single branch circuit, the branch circuit disconnecting means shall have a rating of not less than _________.

20 amperes

12 amperes

15 amperes

10 amperes

Question 8 of 25

9. Single-conductor cable such as _____ and single-conductor cable listed and identified as solar photovoltaic (PV) wire are permitted for use in PV source circuits within the PV array.

THHN

UF

PVC-2

USE-2

Question 9 of 25

10. Where conduits enter a switchboard or floor -standing panelboard at the bottom, the conduit including their end fittings, shall not rise more than _____ inches above the bottom of the enclosure.

2 inches

3 inches

4 inches

5 inches

Question 10 of 25

11. True or False: The raceway fill limitations detailed in 300.17 will apply to coaxial cables.

False

True

Question 11 of 25

12. Where conductors supply continuous loads the conductor shall have an ampacity rating not less than what percentage?

115

100

125

110

Question 12 of 25

13. For a one-family dwelling and each unit of a two-family dwelling that is at grade level, at least ____ receptacle outlet(s) accessible while standing at grade level and located not more than ____ ft above grade shall be installed at the front and back of the dwelling.

one, 6-1/2

one, 5-1/2

two, 5-1/2

two, 6-1/2

Question 13 of 25

14. If each unit in a 12 unit condo had an 8kW electric range, applying the optional method of calculation for multifamily dwellings, what would the calculated demand load be on the ungrounded service entrance conductors for the electric ranges?

31.48kW

39.36kW

96kW

49.2kW

Question 14 of 25

15. In no case shall the point of attachment for overhead service - drop conductors be less than ________ above the finished grade.

8 feet

10 feet

9 feet

11 feet

Question 15 of 25

16. Non -metallic-sheathed cable shall be secured by staples, cable ties, straps, hangers or similar fittings within ________ of every outlet box, junction box, cabinet, or fitting.

14 inches

12 inches

13 inches

11 inches

Question 16 of 25

17. Receptacles shall not be installed in a _________ position in countertop surfaces or work surfaces.

Face-up

Upside down

Pop-up

Question 17 of 25

18. For a dwelling with 2,600 square feet of habitable space, what is the required minimum number of 115-ampere, 120-volt, general lighting branch circuits?

5

2

8

3

Question 18 of 25

19. The loads for an electric sign or outline lightning system should be computed at a minimum of _________ volt-amps when sizing the service calculation.

1300

1400

1200

1500

Question 19 of 25

20. In each dwelling unit, the small appliance load will be calculated at __________ for each 2-wire small appliance branch circuit as determined by 210.11 (1).

1200

1300

1500

1600

Question 20 of 25

21. What is the minimum weight of a manhole cover?

100lbs

140lbs

80lbs

120lbs

Question 21 of 25

22. 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.

13 inches

12 inches

10 inches

11 inches

Question 22 of 25

23. Service-entrance cables shall be supported by straps or other approved means at intervals not exceeding _______ inches.

30

20

50

40

Question 23 of 25

24. Feeder circuits are not allowed to exceed what percentage of voltage drop?

10

2

3

5

Question 24 of 25

25. The National Electrical Code requires that branch-circuit conductors shall have an ampacity of not less than the rating of the branch circuit, if it pertains to conductors of:

multioutlet branch circuits supplying fixed lighting and appliance loads

all branch circuits

multioutlet branch circuits supplying multiple receptacles for cord-and-plug connected portable loads

only individual branch circuits

Question 25 of 25

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