Journeyman Electrician’s Exam Journeyman Electrician's Special Occupancies 3

Question 1

In a theater, which NEC article governs the electrical installations for the stage area?

Accepted Answer

Article 520

Answer

NEC Article 520 covers electrical installations in theaters, audience areas of motion picture studios, and similar locations.

Question 2

What type of grounding is required for patient care areas in a hospital to minimize electrical shock hazards?

Accepted Answer

Equipotential grounding

Answer

NEC 517.13 requires equipotential grounding in patient care areas to reduce voltage differences between conductive surfaces that could cause microshock.

Question 3

A spray booth used for applying flammable finishes falls under which NEC article?

Accepted Answer

Article 516

Answer

NEC Article 516 covers spray application, dipping, and coating processes involving flammable or combustible liquids or powders.

Question 4

In a Class III hazardous location, what is the primary hazard?

Accepted Answer

Easily ignitable fibers or flyings

Answer

Class III locations are those that are hazardous due to the presence of easily ignitable fibers or flyings, such as cotton, rayon, or hemp.

Question 5

Flexible cord used with portable equipment in a hazardous Class I, Division 2 location must be:

Accepted Answer

Extra-hard-usage cord with grounding conductor

Answer

NEC 501.140 requires extra-hard-usage flexible cord with a grounding conductor for portable equipment in Class I hazardous locations.

Journeyman Electrician’s Exam Practice Test

Journeyman Electrician’s Exam Practice Test

Journeyman Electrician’s Exam Journeyman Electrician's Special Occupancies 3