Practice Test Geeks(E2) E2 Commercial Electrical Inspector Practice Test
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Special Occupancies Flashcards

7 cards from real E2 practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.

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  1. Under NEC Article 511, in a commercial repair garage, the area within 18 inches above floor level is classified as:

    Answer: Class I, Division 2

    NEC 511.3 classifies the area up to 18 inches above floor level in commercial garages as Class I, Division 2 due to heavier-than-air gasoline vapors.

  2. In an aircraft hangar per NEC Article 513, the area within 5 feet horizontally from aircraft power plants is classified as:

    Answer: Class I, Division 2

    NEC 513.3 classifies areas within 5 feet horizontally from aircraft power plants and fuel tanks up to 5 feet above the upper surface as Class I, Division 2.

  3. At a motor fuel dispensing facility (gas station), the space within the dispenser enclosure and within 18 inches horizontally in all directions from the dispenser is classified as:

    Answer: Class I, Division 1

    NEC 514.3 classifies the interior of the dispenser enclosure and the 18-inch zone around it as Class I, Division 1.

  4. In spray application areas covered by NEC Article 516, the zone immediately surrounding open containers of flammable liquids is classified as:

    Answer: Class I, Division 2 within 3 feet

    NEC 516.3 classifies the area within 3 feet in all directions from open containers of flammable or combustible liquids as Class I, Division 2.

  5. Under NEC Article 511, electrical equipment in a pit or depression in a commercial garage floor is subject to which classification?

    Answer: Class I, Division 1 throughout the entire pit

    NEC 511.3 requires pits and depressions in commercial garages to be classified as Class I, Division 1 because heavier-than-air vapors accumulate there.

  6. Which NEC article governs electrical installations in bulk storage plants where flammable liquids are stored in above-ground tanks?

    Answer: Article 515

    NEC Article 515 covers bulk storage plants, which include facilities where flammable liquids are stored, blended, or redistributed in above-ground tanks.

  7. In a commercial garage with adequate ventilation per NEC 511.3(B), the area above 18 inches from the floor is classified as:

    Answer: Unclassified

    When a commercial garage has adequate ventilation, the area above 18 inches from the floor is considered unclassified per NEC 511.3(B).