CEA Conduit Bending and Installation Questions and Answers

Question 1

An apprentice needs to make a 90-degree stub-up bend on a piece of 1/2-inch EMT.
The desired stub height is 12 inches.
The bender being used has a "take-up" of 5 inches.
Where should the apprentice make their mark on the conduit to begin the bend?

Accepted Answer

At 7 inches from the end of the conduit.

Answer

At 5 inches from the end of the conduit.

Answer

At 12 inches from the end of the conduit.

Answer

At 17 inches from the end of the conduit.

Question 2

According to the National Electrical Code (NEC), what is the maximum total degrees of bend permitted in a single run of conduit between two pull points, such as boxes or conduit bodies?

Accepted Answer

360 degrees

Answer

180 degrees

Answer

270 degrees

Answer

450 degrees

Question 3

An apprentice has just cut a piece of EMT with a hacksaw. Which of the following describes the primary reason for reaming the inside of the conduit before installation?

Accepted Answer

To remove sharp edges that could damage wire insulation.

Answer

To create a sharper edge for better connector grip.

Answer

To slightly increase the conduit's internal diameter.

Answer

To clean the outside surface for better paint adhesion.

Question 4

When creating a standard 3-point saddle bend to cross over a small obstruction, what is the typical relationship between the center bend angle and the two outer bend angles?

Accepted Answer

The center bend is double the angle of the two outer bends.

Answer

All three bends are made at the same angle.

Answer

The center bend is half the angle of the two outer bends.

Answer

The outer bends are one-third the angle of the center bend.

Question 5

An apprentice is inspecting a long run of conduit with several offsets and notices a 'dog leg' in one of the bends. What does this term describe?

Accepted Answer

Two or more bends that are not in the same plane, creating a twist.

Answer

A bend that exceeds the maximum allowable angle.

Answer

A split or crack in the conduit wall from over-bending.

Answer

A 90-degree bend that is slightly more than 90 degrees.

Question 6

An apprentice is tasked with creating a 6-inch offset using 30-degree bends. Using the standard multiplier for a 30-degree bend, what is the required distance between the two bend marks?

Accepted Answer

12 inches

Answer

6 inches

Answer

8.5 inches

Answer

15 inches

An apprentice needs to make a 90-degree stub-up bend on a piece of 1/2-inch EMT.The desired stub height is 12 inches.The bender being used has a "take-up" of 5 inches.Where should the apprentice make their mark on the conduit to begin the bend?

An apprentice needs to make a 90-degree stub-up bend on a piece of 1/2-inch EMT.
The desired stub height is 12 inches.
The bender being used has a "take-up" of 5 inches.
Where should the apprentice make their mark on the conduit to begin the bend?