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Exam 12: Raceway Installation

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Question 21

Multiple Choice

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A(n) __________ bend is a conduit bend formed by two 90-degree bends with a straight length of conduit between the two bends.

A) back-to-back
B) field
C) offset
D) saddle

E) All of the above
F) None of the above

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Question 22

Multiple Choice

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__________ is the amount that must be subtracted from a desired stub-up height so the bend will come out right.

A) Sweep
B) Stub height
C) Saddle mark
D) Take-up

E) A) and B)
F) A) and C)

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Question 23

Multiple Choice

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The __________ on a typical conduit hand bender head is where you will place the bending mark when doing a stub-up bend.

A(n) __________ bend is a conduit bend that results in a conduit going over an object that is blocking the path of the run.

Any installation of liquidtight flexible metal conduit over ____________________ feet in length requires the installation of an equipment grounding conductor.

____________________ is the amount that must be subtracted from a desired stub-up height so the bend will come out right.

Rigid metal conduit must be supported within __________ of outlet boxes, junction boxes, cabinets, and conduit bodies.(General Rule)

Explain the purpose of using cutting oil when threading conduit.

Although they are not commonly used, threadless couplings and connectors can be used with Type RMC.

Electricians often refer to Type RMC as "heavy wall" conduit.

Type EMT must be supported at least every __________ along the run.(General Rule)

Electrical metallic tubing (Type EMT) must be secured within 30 inches of every outlet box, junction box, cabinet, and conduit body.

Explain the difference between Type FMC and Type AC or Type MC cable.

A(n) __________ plastic cap on the ends of rigid metal conduit designates inch trade sizes.

Schedule 80 rigid PVC conduit has a larger inside diameter than Schedule 40 rigid PVC conduit.

The most common conduit bend is a 90-degree bend also known as a(n) ____________________.

The __________ on a typical conduit hand bender head is where you will place the middle bending mark when doing a three-point saddle bend.

Types RMC, IMC, EMT, and PVC come in standard __________ foot lengths.

Nonmetallic sheathed cable is permitted to be installed in a raceway.

The __________ on a typical conduit hand bender head is where you will place the bending mark when doing the second 90-degree bend of a back-to-back bend.