Journeyman Electrician’s Exam Journeyman Electrician's Special Occupancies 5

Question 1

In a health care facility, which of the following is connected to the 'life safety branch' of the essential electrical system?

Accepted Answer

Exit signs and egress lighting

Answer

NEC 517.32 specifies that the life safety branch supplies exit signs, means of egress lighting, fire alarms, and similar life-safety systems.

Question 2

When installing wiring in a Class I, Division 1 area, which seal requirement applies to conduit entering explosion-proof enclosures?

Accepted Answer

A sealing fitting must be installed within 18 inches of the enclosure

Answer

NEC 501.15(A) requires conduit seals to be installed within 18 inches of explosion-proof enclosures in Class I, Division 1 locations to prevent passage of flames or gases.

Question 3

What is the required GFCI protection for 125V receptacles installed outdoors at a temporary power distribution system for a construction site?

Accepted Answer

All 125V, 15A and 20A receptacles must have GFCI protection

Answer

NEC 590.6 requires GFCI protection for all 125V, 15A and 20A receptacles at construction sites regardless of location type.

Question 4

In a recreational vehicle park, each RV site with electrical supply must have at minimum which receptacle configuration?

Accepted Answer

Both 20A, 125V and 30A, 125V receptacles

Answer

NEC 551.71 requires that each RV site with electrical supply be equipped with at least a 20A, 125V receptacle and a 30A, 125V receptacle.

Question 5

In an aircraft hangar, the area within 5 feet horizontally from aircraft fuel tanks is classified as:

Accepted Answer

Class I, Division 1

Answer

NEC 513.3(A) classifies the area within 5 feet horizontally from aircraft fuel tanks as Class I, Division 1 due to the continuous presence of ignitable vapors.

Journeyman Electrician’s Exam Practice Test

Journeyman Electrician’s Exam Practice Test

Journeyman Electrician’s Exam Journeyman Electrician's Special Occupancies 5