Practice Test Geeks(EETC) Electrical Technician Certification Practice Test
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Electrical Safety & Code Compliance Flashcards

7 cards from real EETC 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 Safety & Code Compliance flashcards as text

  1. Which NFPA 70E category of arc flash PPE requires a minimum arc rating of 40 cal/cm²?

    Answer: PPE Category 4

    NFPA 70E PPE Category 4 requires a minimum arc rating of 40 cal/cm², the highest standard category for arc flash protection.

  2. An electrical worker is injured by an arc flash. The incident energy at the working distance was 8 cal/cm². Which PPE category was MINIMALLY required?

    Answer: PPE Category 2 (8 cal/cm²)

    NFPA 70E PPE Category 2 covers incident energy up to 8 cal/cm², so Category 2 PPE would minimally satisfy this scenario.

  3. What color is assigned to the high-voltage warning label per ANSI Z535 standards?

    Answer: Orange

    ANSI Z535 assigns orange to warning signs indicating hazardous conditions (including high voltage) that could cause serious injury.

  4. The NEC defines a 'qualified person' for electrical work as someone who:

    Answer: Has training and experience on electrical equipment and hazards

    NEC Article 100 defines a qualified person as one with skills and knowledge of construction/operation of equipment and the hazards involved.

  5. Which type of grounding electrode is considered the MOST effective per NEC 250.52?

    Answer: Concrete-encased electrode (Ufer ground)

    The concrete-encased electrode (Ufer ground) provides the most reliable low-impedance earth connection due to contact with moist concrete.

  6. A technician discovers a conductor with insulation rated at 60°C installed in a conduit where ambient temperature reaches 50°C. What is the primary concern?

    Answer: The ampacity is significantly derated, risking overheating

    High ambient temperature reduces the conductor's ability to dissipate heat, requiring ampacity derating per NEC 310 correction factors.

  7. According to NEC 230.79, the minimum service entrance conductor ampacity for a single-family dwelling is:

    Answer: 100 amperes

    NEC 230.79(C) requires a minimum 100-ampere service for a single-family dwelling with more than one branch circuit.