TAP Services

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

red

grey

green

black

Question 1 of 20

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

It cannot be used in ducts or plenums.

It can be used in multifamily dwellings.

It is fungus- and corrosion-resistant.

It can carry a higher voltage.

Question 2 of 20

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

NEC Article 230

NEC Section 110.12

NEC Section 210.5(C)

NEC Section 402.3

Question 3 of 20

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

Manufacturer's Foundation

Manufacturer's Gauge

American Wire Gauge

International Electrotechnical Commission

Question 4 of 20

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

It is not grounded.

It is grounded at every instrument.

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

It is grounded at one end only.

Question 5 of 20

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

Blue

Yellow

Black

Green

Question 6 of 20

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

channel wire assembly

fixture wire

cable

shield drain

Question 7 of 20

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

Type MC

Type NM

Type UF

Type NMC

Question 8 of 20

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

stranded wire

smaller wire

larger wire

solid wire

Question 9 of 20

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

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

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

Put back-tension on the conductors to prevent kinking.

Fill the conduit with lubricant.

Question 10 of 20

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

Nylon

Stranding

Linking

Teflon®

Question 11 of 20

12. Type NMS cable is described as ________.

nonmetallic-sheathed cable

metal-clad cable

medium voltage cable

nonmetallic slit cable

Question 12 of 20

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

Cable type

Wire size

Voltage rating

Prohibited uses

Question 13 of 20

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

Type NM and NMC

Type UF and NMC

Type UF and MC

Type MC and NM

Question 14 of 20

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

NEC Chapter 9, Table 8

NEC Article 340

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

NEC Table 400.4

Question 15 of 20

16. Which of the following describes Type FCC cable?

Flat conductor cable

Fine conductive cable

Fine concentric copper

Fixture cable circuit

Question 16 of 20

17. 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 17 of 20

18. Which of the following describes Type TC cable?

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.

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.

Question 18 of 20

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

Two-conductor cable

Four-conductor cable

Five-conductor cable

Three-conductor cable

Question 19 of 20

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

Type TC

Type MV

Type UF

Type MC

Question 20 of 20

Mailing List

Quick Nav

TAP Services

	FOLLOW US ON SOCIAL MEDIA

TAP Services

Mailing List

Quick Nav

Get Social

TAP Services