Journeyman Electrician’s Exam Journeyman Electrician's Hazardous Locations 3

Question 1

NEC Article 500 classifies hazardous locations using which system?

Accepted Answer

Division system only

Answer

NEC Article 500 establishes the Division classification system (Division 1 and Division 2) for Class I, II, and III hazardous locations.

Question 2

Which NEC article governs spray application, dipping, and coating processes using flammable or combustible liquids?

Accepted Answer

Article 516

Answer

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

Question 3

A commercial gasoline dispensing station (gas station) is primarily governed by which NEC article?

Accepted Answer

Article 514

Answer

NEC Article 514 covers motor fuel dispensing facilities, including commercial gas stations and marinas where fuel is dispensed into vehicles.

Question 4

Commercial garages used for vehicle repair and service are covered by:

Accepted Answer

Article 511

Answer

NEC Article 511 covers commercial garages and repair/storage garages where volatile flammable liquids or gases are used in fueling or repairing motor vehicles.

Question 5

In a Class I, Zone 0 location under NEC Article 505, which protection technique is acceptable?

Accepted Answer

Intrinsic safety 'ia' or special protection 's'

Answer

Zone 0 has ignitable concentrations present continuously, requiring only the highest protection levels: intrinsic safety 'ia' or special protection 's' per NEC 505.

Journeyman Electrician’s Exam Practice Test

Journeyman Electrician’s Exam Practice Test

Journeyman Electrician’s Exam Journeyman Electrician's Hazardous Locations 3