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1. For equipment rated 1200 amperes or more and over 6 feet wide that contain over-current devices, there shall be one entrance to and egress from the required working space not less than ________ high at each end of the working space.

7-1/2 feet

2-1/2 feet

5-1/2 feet

6-1/2 feet

Question 1 of 25

2. Thermal insulation shall not be installed above a recessed luminaire (fixture) or within _______ inches of the recessed luminaires (fixtures) enclosure, wiring compartment, or ballast unless it is identified for contact within insulation, Type IC.

5

4

3

2

Question 2 of 25

3. In each dwelling unit, if the small appliance load is subdivided between two or more feeders, the calculated load for each will include at least ________ for each 2-wire small appliance branch circuit.

1500 volt-amperes

1700 volt-amperes

1600 volt-amperes

1400 volt-amperes

Question 3 of 25

4. Generally, service conductors installed as open conductors must have a minimum clearance from balconies, doors, porches, and windows that are designed to be opened of:

7 feet

6 feet

2 feet

3 feet

Question 4 of 25

5. Overhead service -drop conductors shall have a vertical clearance of not less than _______ feet above the roof surface.

6

4

8

Question 5 of 25

6. Overhead service -drop conductors shall have a vertical clearance of not less than _______ feet above the roof surface.

4

5

6

8

Question 6 of 25

7. For dwelling units, GFCI protection is required for all single-phase, 125-volt, 15- and 20-ampere receptacles installed within six (6) feet of the top inside edge of the bowl of sinks located in _____.

bathrooms

garages

laundry rooms

all of these areas

Question 7 of 25

8. What is the minimum clearance over residential driveways of overhead spans of open conductors of up to 300 volts to ground.

11 feet

15 feet

12 feet

10 feet

Question 8 of 25

9. True or false : Permissive rules of this code are those that identify actions that are allowed but not required, are normally used to describe options or alternative methods, and are characterized by the use of the terms shall be permitted or shall not be required.

False

True

Question 9 of 25

10. Show windows must be calculated either at 200 volt-amps per _________ of show window, or the unit load per outlet as required in other provisions of article 220.14.

3'

4'

2'

1'

Question 10 of 25

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

Conductor

Inverter

Transformer

Breaker

Question 11 of 25

12. Cord and plug type equipment not fastened in place shall not exceed what percentage of the branch circuit ampere rating?

60

100

80

50

Question 12 of 25

13. What is the minimum vertical clearance from final grade for open overhead service conductors up to 1000 volts over public driveways?

17 feet

18 feet

15 feet

20 feet

Question 13 of 25

14. What is the minimum size conductor for 20A branch circuit?

18

10

14

12

Question 14 of 25

15. Where a cable- or raceway-type wiring method is installed through bored holes in joists, rafters, or wood members, holes shall be bored so that the edge of the hole is not less than ______ inches from the nearest edge of the wood member.

11/6

1-1/3

1-1/4

1-1/5

Question 15 of 25

16. For a one-family dwelling, the feeder disconnecting means shall have a rating of not less than _________ amperes, 3-wire.

90

100

80

200

Question 16 of 25

17. Which of the following are not permitted for use as a grounding electrode?

Ground Ring 20' in length

Metal underground gas pipe 10' in length

Metal underground water pipe 10' in length

Concrete encased 4 awg 20' in length.

Question 17 of 25

18. If more than 2 conductors are used in a tube of EMT conduit, the total interior area that can be filled is no more than _________ percent.

50

30

20

40

Question 18 of 25

19. What is the minimum watts (VA), other than name plate rating (whichever is larger) clothes dryers are to be calculated at when doing residential feeder and service calculations?

5,000

1,000

6,000

2,000

Question 19 of 25

20. 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?

1

3

4

2

Question 20 of 25

21. Installation of rigid mental conduit (RMC) is required to be fastened within what minimum distance from a junction box, panel board, or cabinet, where structural members readily permit fastening?

2 feet

3 feet

4 feet

5 feet

Question 21 of 25

22. What is the minimum separation for over-head communications wires and cables at any point in the span from the supply service-drops of up to 750 volts?

12 inches

13 inches

10 inches

11 inches

Question 22 of 25

23. Conductors, including splices and taps, shall not fill gutters more than ______ percent of it's area.

74 percent

77 percent

75 percent

76 percent

Question 23 of 25

24. How far must the separation be between any light, power, or Class 1 conductors or radio and television conductors, and underground antenna conductors for radio and television receiving equipment?

13 inches

12 inches

10 inches

11 inches

Question 24 of 25

25. What is the minimum clearance for communications wires and cables above all points of roofs above which they pass?

6 feet

8 feet

7 feet

9 feet

Question 25 of 25

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