Journeyman Electrician’s Exam Journeyman Electrician's Raceway Systems

Question 1

Which NEC article governs the installation of Electrical Metallic Tubing (EMT)?

Accepted Answer

Article 358

Answer

NEC Article 358 specifically covers Electrical Metallic Tubing (EMT), including its uses permitted, uses not permitted, and installation requirements.

Question 2

Which NEC article covers Intermediate Metal Conduit (IMC)?

Accepted Answer

Article 342

Answer

NEC Article 342 covers Intermediate Metal Conduit (IMC), which is a medium-weight metal raceway that can be threaded in the field.

Question 3

Which NEC article governs Rigid Metal Conduit (RMC)?

Accepted Answer

Article 344

Answer

NEC Article 344 covers Rigid Metal Conduit (RMC), the heaviest-wall metal conduit that is field-threadable and suitable for most environments.

Question 4

Rigid PVC Conduit (Schedule 40 and Schedule 80) is governed by which NEC article?

Accepted Answer

Article 352

Answer

NEC Article 352 covers Rigid PVC Conduit, including both Schedule 40 and Schedule 80, and specifies where each schedule is permitted.

Question 5

Which of the following conduit types can be legally field-threaded for connections?

Accepted Answer

RMC and IMC

Answer

Both Rigid Metal Conduit (RMC) and Intermediate Metal Conduit (IMC) have sufficient wall thickness to be field-threaded; EMT is too thin-walled to be threaded.

Journeyman Electrician’s Exam Practice Test

Journeyman Electrician’s Exam Practice Test

Journeyman Electrician’s Exam Journeyman Electrician's Raceway Systems