Journeyman Electrician’s Exam Journeyman Electrician's Special Occupancies 2

Question 1

In a Class I, Division 1 location, which wiring method is NOT permitted?

Accepted Answer

Type NM cable

Answer

Type NM (nonmetallic sheathed) cable is not permitted in Class I hazardous locations; only approved methods like RMC or MI cable are allowed.

Question 2

What is the minimum distance that open wiring must be kept from the surface of grain storage bins per NEC Article 511?

Accepted Answer

12 inches

Answer

NEC Article 511 and related agricultural occupancy rules require open wiring to be kept at least 12 inches from grain bin surfaces to prevent fire hazards.

Question 3

In a gasoline dispensing station, the area within 18 inches horizontally from a dispenser enclosure is classified as:

Accepted Answer

Class I, Division 2

Answer

Per NEC Article 514, the area within 18 inches horizontally and 4 inches vertically from a dispenser enclosure is classified Class I, Division 2.

Question 4

Which NEC article covers electrical installations in health care facilities?

Accepted Answer

Article 517

Answer

NEC Article 517 specifically governs electrical wiring and equipment in health care facilities including hospitals and nursing homes.

Question 5

In a commercial garage, the floor area up to what height above the floor is classified as Class I, Division 2?

Accepted Answer

18 inches

Answer

Per NEC 511.3, the area up to 18 inches above the floor in a commercial garage is classified Class I, Division 2 due to heavier-than-air gasoline vapors.

Journeyman Electrician’s Exam Practice Test

Journeyman Electrician’s Exam Practice Test

Journeyman Electrician’s Exam Journeyman Electrician's Special Occupancies 2