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1. Which of the following describes Type TC cable?

It has three to five flat conductors separated and enclosed in a flame-retardant assembly.

It comes in sizes No. 12 AWG and larger for copper.

It consists of two or more insulated conductors twisted together and covered with a nonmetallic jacket.

It can be installed in a U-channel surface metal raceway with one side open.

Question 1 of 20

2. In addition to being both flame-retardant and moisture-resistant, what characteristic does Type NMC cable have?

It is fungus- and corrosion-resistant.

It can be used in multifamily dwellings.

It cannot be used in ducts or plenums.

It can carry a higher voltage.

Question 2 of 20

3. Which of the following is not shown with cable markings?

Prohibited uses

Voltage rating

Cable type

Wire size

Question 3 of 20

4. When used as a service-entrance cable, Type SE cable must be installed as specified in ________.

NEC Section 210.5(C)

NEC Section 110.12

NEC Article 230

NEC Section 402.3

Question 4 of 20

5. Size 4/0 wire has a ________.

greater resistance than size 3/0

smaller diameter than size 3/0

greater cross-sectional area than size 3/0

smaller cross-sectional area than size 3/0

Question 5 of 20

6. Which of the following describes Type FCC cable?

Flat conductor cable

Fine conductive cable

Fine concentric copper

Fixture cable circuit

Question 6 of 20

7. Which of the following increases the flexibility of a wire?

Linking

Nylon

Stranding

Teflon®

Question 7 of 20

8. A grounding wire may be which of the following colors?

Black

Green

Blue

Yellow

Question 8 of 20

9. The operating temperature of the circuit is a primary factor in the selection of a ________.

cable

fixture wire

channel wire assembly

shield drain

Question 9 of 20

10. The cable that is used for feeders and branch circuits is ________.

Type UF

Type MC

Type TC

Type MV

Question 10 of 20

11. Which of the following is true of shielding in instrumentation circuits?

It is grounded by floating the ground at both ends of the wire.

It is not grounded.

It is grounded at one end only.

It is grounded at every instrument.

Question 11 of 20

12. The United States uses which of the following standard systems of wire sizes?

International Electrotechnical Commission

Manufacturer's Gauge

American Wire Gauge

Manufacturer's Foundation

Question 12 of 20

13. Where can you find the ampacity of conductors for given conditions?

NEC Tables 310.15(B)(16) through 310.15(B)(19)

NEC Table 400.4

NEC Chapter 9, Table 8

NEC Article 340

Question 13 of 20

14. According to the standard system of wire sizes in the United States, which ranges from 50 to 1, a larger number represents ________.

stranded wire

solid wire

smaller wire

larger wire

Question 14 of 20

15. It is important to do which of the following when conductors are fed into long runs of conduit?

Make sure the wires are straight and do not cross over each other.

Hold tension on the spools so that excess wire does not spill onto the floor.

Fill the conduit with lubricant.

Put back-tension on the conductors to prevent kinking.

Question 15 of 20

16. In two-conductor cable, the high side or hot wire is ________.

green

grey

black

red

Question 16 of 20

17. Which of the following types of cables may be installed in concealed locations?

Type UF and NMC

Type NM and NMC

Type UF and MC

Type MC and NM

Question 17 of 20

18. Type NMS cable is described as ________.

metal-clad cable

nonmetallic-sheathed cable

nonmetallic slit cable

medium voltage cable

Question 18 of 20

19. Which of the following types of cable is suitable for direct burial?

Type NM

Type UF

Type MC

Type NMC

Question 19 of 20

20. Which of the following cables should include a yellow color-coded conductor?

Four-conductor cable

Five-conductor cable

Two-conductor cable

Three-conductor cable

Question 20 of 20

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