Practice Test Geeks(EETC) Electrical Technician Certification Practice Test
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Wiring Methods 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 Wiring Methods flashcards as text

  1. When running Type NM cable through a 2x4 wood stud, what is the minimum distance the cable must be from the edge of the stud before a nail plate is required?

    Answer: 1¼ inches

    NEC 300.4(A)(1) requires a steel nail plate or the cable must be at least 1¼ inches from the nearest edge of a stud to protect against fastener penetration.

  2. In an outdoor installation, which conduit type is permitted to be used above grade exposed to sunlight and weather?

    Answer: IMC with listed fittings

    Intermediate metal conduit (IMC) with listed fittings is suitable for outdoor, wet, and exposed-to-weather locations per NEC 342.10.

  3. What is the minimum support interval for rigid PVC conduit (Schedule 40) with a trade size of 1 inch?

    Answer: 4 feet

    NEC Table 352.30 requires PVC conduit (1-inch trade size) to be supported at maximum 4-foot intervals.

  4. A common mistake when pulling wire through conduit is exceeding the maximum pulling tension. Which factor most directly limits this tension?

    Answer: Conductor cross-sectional area and fill ratio

    Maximum pulling tension is determined by the conductor size (cross-sectional area) and the coefficient of friction, which relates to fill and conduit geometry.

  5. Type MC cable (Metal-Clad) is defined under which NEC article?

    Answer: Article 330

    NEC Article 330 covers Type MC (Metal-Clad) cable, including its construction, uses permitted, and installation requirements.

  6. What is required when a conduit run transitions from indoors to outdoors and then re-enters a building?

    Answer: Sealing fittings to prevent condensation and gas entry

    NEC 225.27 requires sealing fittings where conduit enters a building from outdoors to prevent moisture and gases from entering the structure.

  7. When installing conductors in parallel, what NEC requirement applies to all parallel conductors?

    Answer: They must be the same length, material, size, and insulation type

    NEC 310.10(H) requires parallel conductors to be the same length, material, circular mil area, insulation type, and termination method to ensure equal current sharing.