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

Zone system only

Answer

Both Division and Zone systems equally

Answer

Only provides definitions with no classification method

Question 2

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

Accepted Answer

Article 516

Answer

Article 500

Answer

Article 505

Answer

Article 514

Question 3

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

Accepted Answer

Article 514

Answer

Article 500

Answer

Article 511

Answer

Article 516

Question 4

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

Accepted Answer

Article 511

Answer

Article 513

Answer

Article 514

Answer

Article 516

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

Explosion-proof (Ex d) enclosures

Answer

Increased safety (Ex e)

Answer

Non-sparking (Ex n)

Question 6

Aircraft hangars are covered under which NEC article?

Accepted Answer

Article 513

Answer

Article 511

Answer

Article 514

Answer

Article 516

Question 7

Under NEC Article 505, Zone 2 is most comparable to which Division classification?

Accepted Answer

Class I, Division 2

Answer

Class I, Division 1

Answer

Class II, Division 1

Answer

No comparable Division classification exists