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General Requirements and Definitions Flashcards

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  1. NEC Section 110.12 requires electrical equipment to be installed in a:

    Answer: Neat and workmanlike manner

    Section 110.12 mandates that electrical equipment be installed in a neat and workmanlike manner, ensuring reliable, safe operation.

  2. Under NEC Article 100, a 'dwelling unit' is defined as:

    Answer: One or more rooms used as a housekeeping unit with space for eating, living, and sleeping plus permanent provisions for cooking and sanitation

    Article 100 defines a dwelling unit as one or more rooms used as a housekeeping unit with space for eating, living, and sleeping along with permanent provisions for cooking and sanitation.

  3. What is the NEC definition of 'interrupting rating'?

    Answer: The highest current at rated voltage that a device is identified to interrupt under standard test conditions

    Interrupting rating is the highest current at rated voltage that a device is identified to interrupt safely under standard test conditions.

  4. According to NEC Table 110.26(A)(1), what is the minimum working space depth in front of electrical equipment operating at 0–150 V to ground under Condition 1?

    Answer: 36 inches (3 ft)

    NEC Table 110.26(A)(1) requires a minimum working space depth of 900 mm (3 ft) for voltages of 0–150 V to ground under Condition 1.

  5. The NEC term 'overcurrent' includes which of the following conditions?

    Answer: Overload, short circuit, and ground fault

    Overcurrent is any current exceeding the rated ampacity of equipment or conductors, and includes overload, short-circuit, and ground-fault conditions.

  6. What does the NEC mean by the term 'authority having jurisdiction' (AHJ)?

    Answer: An organization, office, or individual responsible for enforcing the requirements of a code, or their designated representative

    The AHJ is defined in Article 100 as the organization, office, or individual responsible for enforcing the requirements of a code, or a designated representative.

  7. Under NEC 110.9, overcurrent protective devices must have an interrupting rating sufficient for the:

    Answer: Available fault current at the point of application

    NEC 110.9 requires overcurrent protective devices to have an interrupting rating not less than the available fault current at the point in the circuit where they are installed.

General Requirements and Definitions Flashcards — NEC Study Cards with Answers