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Electrical Safety Standards Flashcards

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

Read the first 6 Electrical Safety Standards flashcards as text

  1. Which NFPA standard is commonly known as the 'Standard for Electrical Safety in the Workplace'?

    Answer: NFPA 70E

    NFPA 70E is the Standard for Electrical Safety in the Workplace, covering safe work practices, maintenance, and PPE requirements.

  2. Per NEC 110.26(A)(1), what is the minimum clear working space depth in front of electrical equipment operating at 120 to 250 volts (Condition 1)?

    Answer: 36 inches

    NEC 110.26(A)(1) Table 110.26(A)(1) requires 36 inches (3 feet) minimum depth for Condition 1 at 120-250V.

  3. What is the minimum headroom required for electrical equipment per NEC 110.26(A)(3)?

    Answer: 6.5 feet or the height of the equipment, whichever is greater

    NEC 110.26(A)(3) requires a minimum headroom of 6.5 feet (6 feet 6 inches) or the height of the equipment, whichever is greater.

  4. Per NEC 110.14(A), what is the requirement for electrical connections and splices?

    Answer: They must be mechanically and electrically secure using approved methods

    NEC 110.14(A) requires all connections to be made using approved devices or by splicing methods that provide both mechanical security and electrical continuity.

  5. According to NEC 110.12, what general standard applies to the workmanship of all electrical installations?

    Answer: Installations must be neat and workmanlike

    NEC 110.12 requires that electrical equipment be installed in a neat and workmanlike manner, which is a subjective but enforceable standard.

  6. What does NEC 110.3(B) require regarding listed or labeled equipment?

    Answer: Equipment must be installed according to its listing and manufacturer's instructions

    NEC 110.3(B) requires that listed or labeled equipment be installed and used in accordance with any instructions included in the listing or labeling.