Journeyman Electrician’s Exam Journeyman Electrician's Special Occupancies 4

Question 1

In a marina, shore power receptacles must be located at least how high above the deck to prevent water immersion?

Accepted Answer

12 inches

Answer

NEC 553.10 and 555.19 require shore power receptacles at marinas to be mounted at least 12 inches above the deck or dock surface.

Question 2

What NEC article governs electrical wiring for manufactured homes?

Accepted Answer

Article 550

Answer

NEC Article 550 specifically covers the electrical installation requirements for manufactured homes and manufactured home parks.

Question 3

In a Class I, Zone 0 location, which equipment is required?

Accepted Answer

AEx ia category

Answer

Zone 0 locations require Category 1G equipment (AEx ia intrinsically safe) rated for the most severe hazardous conditions where an ignitable atmosphere is continuously present.

Question 4

In a carnival or fair, all electrical equipment connected to a power source must be inspected by whom before the event opens?

Accepted Answer

A qualified person

Answer

NEC 525.10 requires that all electrical equipment at carnivals and fairs be inspected by a qualified person before the event is opened to the public.

Question 5

For a motor fuel dispensing facility, what is the required classification of the underground wiring method for supply conductors?

Accepted Answer

Rigid metal conduit or intermediate metal conduit

Answer

NEC 514.8 requires conductors below grade at motor fuel dispensing facilities to be installed in rigid metal conduit or intermediate metal conduit.

Journeyman Electrician’s Exam Practice Test

Journeyman Electrician’s Exam Practice Test

Journeyman Electrician’s Exam Journeyman Electrician's Special Occupancies 4