Journeyman Electrician’s Exam Journeyman Electrician's Conduit Bending 2

Question 1

In a 3-point saddle bend, what angle is used for the CENTER bend?

Accepted Answer

45 degrees

Answer

A 3-point saddle uses a 45-degree center bend and two outer bends of 22.5 degrees each to clear an obstruction.

Question 2

In a 3-point saddle bend, what angle are the two OUTER bends set to?

Accepted Answer

22.5 degrees

Answer

The outer bends in a 3-point saddle are 22.5 degrees each, which is half the 45-degree center bend.

Question 3

What multiplier is used when calculating the distance between bend marks for a 22.5-degree offset?

Accepted Answer

2.613

Answer

A 22.5-degree offset uses a multiplier of 2.613 because 1 divided by sin(22.5 degrees) = approximately 2.613.

Question 4

A conduit needs a 6-inch offset using 22.5-degree bends. What is the distance between the two bend marks?

Accepted Answer

15.68 inches

Answer

Distance = 6 x 2.613 = 15.68 inches between the two bend marks.

Question 5

What is "developed length" in conduit bending?

Accepted Answer

The total conduit length required for a run, including all straight sections and bend arc lengths

Answer

Developed length is the total conduit material required for a run, accounting for every straight section plus the arc length through each bend.

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