TAP Services

1. Which types of conduit bodies are used to provide a pull point on a straight conduit run?

Type C

Type T

Type X

Type L

Question 1 of 20

2. EMT is ________.

often referred to as thinwall conduit and is too thin to be threaded

conduit that is constructed of metal thick enough to permit the cutting of pipe threads at each end

conduit that has been given a thin coating of PVC

steel conduit coated with a black enamel

Question 2 of 20

3. Which types of conduit bodies are used to join four intersecting conduits?

Type X

Type LR

Type T

Type LL

Question 3 of 20

4. Which of the following is true of aluminum conduit?

It requires more maintenance.

It is more resistant to wet environments.

It does not require supplementary corrosion protection when used in concrete.

It is too thin to be threaded.

Question 4 of 20

5. What is the maximum allowable spacing between horizontal wireway supports?

15'

20'

10'

8'

Question 5 of 20

6. Which of the following conduits has a wall thickness less than that of RMC but thicker than EMT?

LFNC

HDPE

PVC

IMC

Question 6 of 20

7. The purpose of a sealing fitting is to ________.

bundle wires and cables together

prevent the passage of gases, vapors, and flames through a conduit

carry wires through conduit and other types of raceways

connect conduit to boxes

Question 7 of 20

8. The voltage drop of conductors carrying alternating current in PVC will be less than that of ________.

HDPE

identical conductors in flexible conduit

LFNC

identical conductors in steel conduit

Question 8 of 20

9. EMT must be supported every ________.

3 feet

10 feet

5 feet

15 feet

Question 9 of 20

10. To act as a moisture seal, an outer covering of liquidtight, sunlight-resistant flexible material is placed around ________.

high-density polyethylene conduit

rigid polyvinyl chloride conduit

liquidtight flexible metal conduit

liquidtight flexible nonmetallic conduit

Question 10 of 20

11. Which of the following shall only be applied when the number of current-carrying conductors in a wireway exceeds three?

Trough crosses

Derating factors

End plates

Tee fittings

Question 11 of 20

12. What is another name for a standoff support?

Trapeze

Clamp back

Minerallac®

Beam clamp

Question 12 of 20

13. What type of conduit should be used where corrosion is a factor?

PVC

IMC

Black enamel steel conduit

RMC

Question 13 of 20

14.

Which kind of anchor is shown in the figure above?

Toggle bolt

Drop-in

Drive-in

Self-drilling

Question 14 of 20

15. Which of the following are used to prevent damage to PVC caused by temperature changes?

Combination couplings

Expansion couplings

Flex connectors

Hinged couplings

Question 15 of 20

16. What type of conduit is approved for direct burial?

HDPE

RMC

IMC

EMT

Question 16 of 20

17. Which of the following can be found in NEC Article 344?

IMC marking requirements

RMC support requirements

IMC support requirements

Equipment grounding conductor sizes

Question 17 of 20

18. Which of the following types of conduit bodies has a 90∘ connector with the cover on the left?

Type LB

Type LR

Type LRL

Type LL

Question 18 of 20

19. NEC Article 386 contains ________.

the installation specifications of surface metal raceways

regulations for combination raceways

information on multi-outlet assemblies

a list of the various types of special raceways

Question 19 of 20

20. What type of conduit is used to connect machines that vibrate during operation?

Flexible metal conduit

Black enamel steel conduit

RMC

Aluminum

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