Virginia Electrician Quiz 27

Question 1 of 25

1. Question

All 120 volt, single-phase, 15 and 20 ampere receptacle outlets installed in a dwelling unit kitchen and installed to serve the countertop surfaces must be ______________.
I. GFCI protected
II. AFCI protected

I only

II only

Both I and II

Neither I nor II

Question 2 of 25

2. Question

Required handholes in poles used to support luminaires shall not be smaller than ____________.

1 ½ in. x 3 in.

2 in. x 4 in.

2 ½ in. x 4 in.

4 in. x 4 in.

Question 3 of 25

3. Question

Low-voltage lighting systems shall be installed not less than __________ horizontally from the nearest edge of a swimming pool located outdoors.

15 ft.

10 ft.

6 ft.

5 ft.

Question 4 of 25

4. Question

Where conduit nipples having a maximum length not exceeding 24 in. are installed between cabinets, the nipples shall be permitted to be filled to _________ of their total cross-sectional area.

31%

40%

53%

60%

Question 5 of 25

5. Question

Unlisted outside plant communications cables shall be permitted to be installed in limited building spaces where the length of the cable within the building does not exceed _________.

25 ft.

50 ft.

75 ft.

90 ft.

Question 6 of 25

6. Question

What minimum size THW copper conductors are required for a 200 ampere rated service installed on a dwelling unit?

2/0 AWG

3/0 AWG

4/0 AWG

250 kcmil

Question 7 of 25

7. Question

The ampacity of capacitor circuit conductors shall not be less than ________ of the rated current of the capacitor.

115%

125%

135%

150%

Question 8 of 25

8. Question

A load of not less than ____________ shall be included in the service calculation for each 2-wire laundry branch circuit installed in a dwelling unit.

15 amps

20 amps

1,500 VA

2,400 VA

Question 9 of 25

9. Question

Electrical equipment installed outdoors and operating at 4,160 volts must be enclosed by a fence and located not less than ______________ from the live parts.

10 ft.

12 ft.

15 ft.

18 ft.

Question 10 of 25

10. Question

Which of the following statements is/are true regarding delta connected electrical systems?
I. Delta breakers are allowed for use in 3-phase panelboards connected to a delta connected electrical system.
II. The high leg of a delta connected electrical system shall be effectively identified by orange markings.

I only

II only

Both I and II

Neither I nor II

Question 11 of 25

11. Question

An adapter cable containing one male plug and two female cord connectors used to connect two loads to one branch circuit is called a ____________.

cord connector

plug strip

two-fer

splitter

Question 12 of 25

12. Question

Which of the following statements regarding fire alarm circuits is/are true?
I. Branch circuits supplying power-limited fire alarm circuits shall not be AFCI protected.
II. The power source for a power-limited fire alarm circuit shall be a listed Class 1 transformer.

I only

II only

Both I and II

Neither I nor II

Question 13 of 25

13. Question

Where proximity to open electric light or power service conductors of less than 250 volts between conductors cannot be avoided, outdoor antennas and lead-in conductors from an antenna shall be separated by a clearance of at least __________ from such conductors.

6 in.

12 in.

18 in.

24 in.

Question 14 of 25

14. Question

Which of the following statements about circuit breakers is/are true?
I. Circuit breakers are permitted to be connected in parallel where they are factory assembled in parallel and listed as a unit.
II. Circuit breakers are permitted to be connected in series.

I only

II only

Both I and II

Neither I nor II

Question 15 of 25

15. Question

Each length of intermediate metal conduit shall be clearly and durably marked at least every _________ with the letter IMC.

4 ft.

5 ft.

6 ft.

8 ft.

Question 16 of 25

16. Question

How many overload units are required to provide overload protection of a 3-phase, 4-wire, 10 hp motor?

1

2

3

4

Question 17 of 25

17. Question

All 15 and 20 ampere, single-phase, 125 volt receptacles located within _________ of the inside walls of a pool shall be GFCI protected.

5 ft.

10 ft.

15 ft.

20 ft.

Question 18 of 25

18. Question

The equipment grounding conductor for secondary circuits of instrument transformers and for instrument cases shall not be smaller than ___________.

14 AWG copper

12 AWG copper

10 AWG copper

8 AWG copper

Question 19 of 25

19. Question

Any motor application shall be considered as ____________ unless the nature of the apparatus it drives is such that the motor will not operate continuously with load under any condition of use.

continuous duty

varying duty

periodic duty

intermittent duty

Question 20 of 25

20. Question

The voltage drop on any branch circuit supplying sensitive electronic equipment shall not exceed __________.

1%

1.5%

3%

5%

Question 21 of 25

21. Question

Surge arresters shall be connected to which of the following?

Grounded service conductor

Grounding electrode conductor

Equipment grounding terminal in the service equipment

Any of the above

Question 22 of 25

22. Question

In other than a dwelling unit, fixed infrared heating equipment shall be permitted to be supplied from branch circuits rated not over __________.

600 volts

300 volts

60 amperes

50 amperes

Question 23 of 25

23. Question

Which of the following is not a standard fuse size?

25 ampere

35 ampere

75 ampere

601 ampere

Question 24 of 25

24. Question

Which of the following statements regarding receptacle outlets is/are true?
I. After installation, receptacle faces must be flush with or project from faceplates.
II. Faceplates for receptacles made from insulating material shall be not less than 0.015 in. in thickness.

I only

II only

Both I and II

Neither I nor II

Question 25 of 25

25. Question

GFCI protection shall be provided for outlets not exceeding _____________ that supply boat hoists installed in dwelling unit locations.

120 volts

208 volts

240 volts

277 volts