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Tools, Equipment & Testing Procedures Flashcards

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

Read the first 7 Tools, Equipment & Testing Procedures flashcards as text

  1. What does a low resistance reading (near zero ohms) between the hot and neutral terminals of a receptacle most likely indicate?

    Answer: A short circuit or wiring fault

    Near-zero resistance between hot and neutral (with power off) indicates a short circuit that must be located and corrected.

  2. A lineman's pliers (side-cutting pliers) are primarily designed for:

    Answer: Gripping, twisting, and cutting larger conductors

    Lineman's pliers combine strong jaws for gripping and twisting wire with a cutting edge for heavier conductors.

  3. When performing a ground resistance test with a three-point fall-of-potential method, the potential probe should be placed at approximately what distance between the ground electrode and the current probe?

    Answer: 62% of the spacing

    The 62% rule positions the potential probe in the flat portion of the resistance curve, giving an accurate ground resistance reading.

  4. An insulation resistance tester (megohmmeter) reads 'OL' or infinity when testing a motor winding. This indicates:

    Answer: Good insulation with no leakage path detected

    An infinity or OL reading on a megohmmeter indicates very high insulation resistance, meaning the insulation is in good condition.

  5. Which screwdriver tip type is required for the tamper-resistant screws commonly found on electrical panel covers?

    Answer: Torx or hex (security bit)

    Tamper-resistant screws use Torx, hex, or other security bit profiles to discourage unauthorized access to electrical panels.

  6. A non-contact voltage tester (tick tracer) gives a false indication when held near a cable. What is the most common cause?

    Answer: Induced voltage from an adjacent energized conductor

    Non-contact testers detect electric fields and can respond to induced voltage from nearby energized conductors, giving a false positive.

  7. What is the correct procedure before using a voltage tester at the start of a job?

    Answer: Verify the tester operates on a known live source, then test the dead circuit

    Always verify the tester works on a confirmed live source before and after testing a de-energized circuit to ensure the tester itself is functional.

Tools, Equipment & Testing Procedures Flashcards — CEA Study Cards with Answers