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1. When conductors are installed in a conduit or tubing nipple of _____ or less in length, the ampacity adjustment factors for more than three (3) current-carrying conductors in the raceway, are not required to be applied.

36"

30"

48

24"

Question 1 of 25

2. If a panel is slash rated 480/277v what type of rating(s) are the breakers required to have?

480V

480V and 277/480V

480/277V

Question 2 of 25

3. Which one of the following listed circuit breakers is NOT a standard ampere rating?

90 Amp

1200 Amp

110 Amp

75 Amp

Question 3 of 25

4. A required 125-volt, 15- and 20-ampere receptacles in dwelling units shall be installed in any wall space _______ feet or more in width.

4

5

2

3

Question 4 of 25

5. The length of a pull box containing conductors of size 4 AWG and larger shall not be less than _____ times the trade diameter of the largest conduit entering the box when a straight pull of the conductors is to be made.

Nine

Six

Eight

Seven

Question 5 of 25

6. A receptacle outlet shall be installed at each wall counter-top space that is _______ inches or wider.

12

11

13

15

Question 6 of 25

7. If an outlet box is designed to support ceiling suspended (paddle) fans weighing more than ______, then the maximum weight to be supported shall be included in the required marking.

34 pounds

35 pounds

25 pounds

45 pounds

Question 7 of 25

8. True or false: It is permissible to attach, strap, or tape power-limited fire alarm cables to the exterior of a conduit or raceway.

False

True

Question 8 of 25

9. The area around motor fuel dispensing pumps at a service station is considered a hazardous location. How far horizontally from the enclosure of the outdoor motor fuel dispensing pumps does this extend?

21 feet

19 feet

20 feet

18 feet

Question 9 of 25

10. Over head conductors for festoon lighting shall not be smaller than ________ AWG unless the conductors are supported by messenger wires.

11 AWG

10 AWG

12 AWG

15 AWG

Question 10 of 25

11. Connection by means of wire-binding screws or studs and nuts that have upturned lugs or the equivalent shall be permitted for _________ AWG or smaller conductors.

14

16

10

12

Question 11 of 25

12. 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:

3 feet

6 feet

2 feet

7 feet

Question 12 of 25

13. 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.

7 feet

6 feet

9 feet

5 feet

Question 13 of 25

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

10 amperes

15 amperes

20 amperes

30 amperes

Question 14 of 25

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

6000

4000

1000

5000

Question 15 of 25

16. In compliance with the NEC, the total marked rating of a 120-volt, cord-and-plug-connected room air conditioner shall not exceed _____ of the rating of a branch circuit when lighting units, general-use receptacles, or other appliances are supplied from the branch circuit.

70%

80%

40%

50%

Question 16 of 25

17. Live parts of electrical equipment operating at ________ nominal shall be guarded against accidental contact.

12 to 24 V

300 to 600 V

50 to 1000 V

12 to 50 V

Question 17 of 25

18. For over 1000 volts, nominal what is the minimum size copper conductor in a cable?

4AWG

10AWG

6AWG

8AWG

Question 18 of 25

19. What is the minimum computed branch circuit load, in volt-amps, allowed by the NEC for a branch circuit serving an exterior electric sign, when calculating a building or structure's total load?

1800VA

1500VA

1200VA

3000VA

Question 19 of 25

20. Which of the following is not a standard ampere rating for a fuse?

10

15

6

7

Question 20 of 25

21. Lighting systems for fountains, pools, spas, and similar locations must be installed _______ or more horizontally from the nearest water's edge unless Article 680 permits otherwise.

10 m

3 m

7 m

5 m

Question 21 of 25

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

non-continuous

intermittent

continuous

simultaneous

Question 22 of 25

23. The sum of the cross-sectional areas of all contained conductors at any cross-section of a sheet metal auxiliary gutter shall not be exceed ______ percent of the interior cross-sectional area of the sheet metal auxiliary gutter.

22 percent

20 percent

19 percent

21 percent

Question 23 of 25

24. In walls or ceilings with a surface of non-combustible material, boxes shall be installed so that the front edge of the box will not be set back of the finished surface more than ____ inch.

1/5

1/4

1/3

1/2

Question 24 of 25

25. Branch circuits are not allowed to exceed what percentage of voltage drop?

2

5

10

3

Question 25 of 25

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