Journeyman Electrician’s Exam Journeyman Electrician's Raceway Systems 2

Question 1

According to NEC Chapter 9, Table 1, what is the maximum conduit fill percentage when only ONE conductor is installed in a raceway?

Accepted Answer

53%

Answer

31%

Answer

40%

Answer

60%

Question 2

What is the maximum conduit fill percentage when exactly TWO conductors are installed in a raceway, per NEC Chapter 9, Table 1?

Accepted Answer

31%

Answer

40%

Answer

53%

Answer

60%

Question 3

When three or more conductors are installed in a conduit, what is the maximum fill percentage per NEC Chapter 9, Table 1?

Accepted Answer

40%

Answer

31%

Answer

53%

Answer

60%

Question 4

Conduit nipples that do not exceed 24 inches in length may be filled to what maximum percentage per NEC Chapter 9, Table 1 Note 4?

Accepted Answer

60%

Answer

40%

Answer

53%

Answer

75%

Question 5

Where are the cross-sectional areas of insulated conductors for conduit fill calculations found in the NEC?

Accepted Answer

Chapter 9, Table 5

Answer

Chapter 9, Table 1

Answer

Chapter 9, Table 4

Answer

Annex C

Question 6

Where in the NEC are the cross-sectional areas and dimensions of conduit and tubing found for fill calculations?

Accepted Answer

Chapter 9, Table 4

Answer

Chapter 9, Table 1

Answer

Chapter 9, Table 5

Answer

Annex B

Question 7

When performing a conduit fill calculation for conductors of different insulation types, what determines each conductor's contribution to the total fill area?

Accepted Answer

The outer diameter including insulation

Answer

The conductor AWG size only

Answer

The bare conductor cross-section only

Answer

The voltage rating of the insulation