Journeyman Electrician's Special Occupancies Flashcards
7 cards from real Journeyman Electrician’s Exam practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.
Read the first 7 Journeyman Electrician's Special Occupancies flashcards as text
In a marina, shore power receptacles must be located at least how high above the deck to prevent water immersion?
Answer: 12 inches
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.
What NEC article governs electrical wiring for manufactured homes?
Answer: Article 550
NEC Article 550 specifically covers the electrical installation requirements for manufactured homes and manufactured home parks.
In a Class I, Zone 0 location, which equipment is required?
Answer: AEx ia category
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.
In a carnival or fair, all electrical equipment connected to a power source must be inspected by whom before the event opens?
Answer: A qualified person
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.
For a motor fuel dispensing facility, what is the required classification of the underground wiring method for supply conductors?
Answer: Rigid metal conduit or intermediate metal conduit
NEC 514.8 requires conductors below grade at motor fuel dispensing facilities to be installed in rigid metal conduit or intermediate metal conduit.
What minimum ampere rating is required for the shore power supply cord and connector at a marina for a 240V, 30A receptacle?
Answer: 30 amperes
Shore power cords and connectors at marinas must have an ampere rating not less than the receptacle they serve; a 30A receptacle requires a 30A rated assembly.
In a bulk storage plant for flammable liquids, the area within 5 feet of a vent from an underground tank is classified as:
Answer: Class I, Division 1
Per NEC 515.3, the area within 5 feet in all directions from the open end of a tank vent at a bulk storage plant is classified Class I, Division 1.