Practice Test Geeks(CEI) Certified Electrical Inspector Practice Test
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Electrical Code & Standards Flashcards

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

Read the first 7 Electrical Code & Standards flashcards as text

  1. Under the NEC, what is the maximum allowed voltage drop for branch circuits to ensure reasonable efficiency of operation?

    Answer: 3%

    NEC 210.19(A) informational note recommends limiting branch circuit voltage drop to 3% for reasonable efficiency.

  2. Which NEC article governs the installation of patient care areas in health care facilities?

    Answer: Article 517

    NEC Article 517 covers electrical wiring and equipment installed in health care facilities including patient care areas.

  3. According to the NEC, a 20-ampere, 125-volt receptacle installed outdoors must be protected by which of the following?

    Answer: GFCI

    NEC 210.8(A) requires GFCI protection for 125-volt receptacles installed in outdoor locations.

  4. What is the minimum clearance required by the NEC between the top of a service entrance conductor and a window that opens?

    Answer: 3 feet

    NEC 230.9(A) requires service conductors to be at least 3 feet from windows that open.

  5. Which NEC article specifically addresses the installation of solar photovoltaic (PV) systems?

    Answer: Article 690

    NEC Article 690 covers the installation of solar photovoltaic energy systems.

  6. Under NEC 300.4, where a raceway or cable passes through a wood structural member, a steel plate of at least what thickness is required when the edge is within 1-1/4 inches of the nearest edge?

    Answer: 1/8 inch

    NEC 300.4(A)(1) requires a steel plate at least 1/8 inch thick to protect cables or raceways from nails and screws.

  7. The NEC requires that equipment grounding conductors be identified by which color when insulated?

    Answer: Green or bare

    NEC 250.119 requires equipment grounding conductors to be identified by green insulation, green with yellow stripe, or bare copper.