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Code Compliance & Standards Flashcards

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

Read the first 7 Code Compliance & Standards flashcards as text

  1. Under NFPA 70E, what is the minimum approach boundary within which an arc flash hazard exists and PPE is required?

    Answer: Arc flash boundary

    The arc flash boundary is the distance at which a worker could receive a second-degree burn from an arc flash event and requires appropriate PPE.

  2. Which ANSI/IEEE standard covers the design and performance of power distribution switchgear rated above 1000V?

    Answer: ANSI C37.20.2

    ANSI C37.20.2 covers metal-clad switchgear for voltages above 1000V, defining construction and performance requirements.

  3. According to OSHA 29 CFR 1910.269, what is required before an employee works on energized electrical equipment?

    Answer: An energized electrical work permit

    OSHA 1910.269 and NFPA 70E both require an energized electrical work permit when work must be performed on or near energized conductors.

  4. What does the term 'interrupting rating' refer to in the context of electrical overcurrent protective devices?

    Answer: The maximum fault current the device can safely interrupt

    Interrupting rating (short-circuit current rating) is the maximum fault current a protective device can interrupt without damage or hazard.

  5. Under NEC Article 250, what is the primary purpose of equipment grounding conductors (EGC)?

    Answer: To provide a low-impedance path for fault current to operate overcurrent protection

    Equipment grounding conductors provide a low-impedance fault current path that enables overcurrent devices to operate and clear the fault quickly.

  6. Which regulatory body publishes the NESC (National Electrical Safety Code) used by utilities like AEP for transmission and distribution standards?

    Answer: IEEE

    The NESC is published by IEEE (Institute of Electrical and Electronics Engineers) and sets safety standards for electric supply and communication lines.

  7. What NESC requirement applies to minimum vertical clearance of overhead distribution conductors over roadways accessible to trucks?

    Answer: 18 feet

    The NESC requires a minimum vertical clearance of 18 feet for conductors over roadways accessible to trucks and other large vehicles.