Electrical Circuits Quiz
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Questions and Answers

What does a white wire typically indicate in modern Type NM cables?

  • Grounding conductor
  • Neutral wire (correct)
  • Ungrounded power
  • Hot wire

    • What is the purpose of the thin aluminum bonding wire in Type AC (BX) cable?

  • Hot wire
  • Grounding conductor (correct)
  • Neutral connection
  • Ungrounded power

    • According to NEC, what color wire must be used as an ungrounded conductor or hot wire?

  • Red
  • Green
  • White
  • Black (correct)

    • What is the significance of blue or yellow wires in conduit according to the text?

    <p>Designate a specific use</p> Signup and view all the answers

    What type of circuit would be used for heavy duty appliances like ranges and hot water tanks?

    <p>240 volt circuit</p> Signup and view all the answers

    Where would a GFCI protected breaker circuit be typically set up?

    <p>Bathrooms, kitchens, and outside receptacles</p> Signup and view all the answers

    What does the gauge of a wire indicate?

    <p>The diameter and current carrying capacity</p> Signup and view all the answers

    What does NM cable sheath markings indicate?

    <p>Size and type of the conductors in it</p> Signup and view all the answers

    What type of cable does not have a grounding conductor?

    <p>Type AC (Armor Clad)</p> Signup and view all the answers

    What color wire must be used as an ungrounded conductor or hot wire according to NEC?

    <p>Black or red</p> Signup and view all the answers

    What is the purpose of the thin aluminum bonding wire in Type AC (BX) cable?

    <p>Provide the required path to ground</p> Signup and view all the answers

    What does a white wire typically indicate in modern Type NM cables?

    <p>Neutral wire</p> Signup and view all the answers

    Which type of cable is sheathed in a flexible metal coil?

    <p>Type MC (Metal Clad)</p> Signup and view all the answers

    What do blue or yellow wires in conduit typically designate?

    <p>Specific use</p> Signup and view all the answers

    What type of wire must not be used for establishing a ground or neutral connection?

    <p>White or gray</p> Signup and view all the answers

    What does a black or red wire typically indicate according to NEC?

    <p>Ungrounded conductor or hot wire</p> Signup and view all the answers

    What is the purpose of the grounding conductor in a cable?

    <p>Provide a path to ground</p> Signup and view all the answers

    What is the purpose of a dedicated circuit for appliances like a furnace or a refrigerator?

    <p>To provide wiring for only one device and size the breaker per the appliance's requirements</p> Signup and view all the answers

    What type of circuit is suitable for computer equipment?

    <p>Dedicated circuit</p> Signup and view all the answers

    What is the voltage requirement for heavy duty appliances like air conditioners and hot water tanks?

    <p>240 volts</p> Signup and view all the answers

    Where would GFCI circuits be typically set up to cover?

    <p>Bathrooms, kitchens, and outside receptacles</p> Signup and view all the answers

    What does the gauge of a wire indicate?

    <p>The diameter of the wire and the amount of current it can carry</p> Signup and view all the answers

    What is the purpose of NM cable markings on the cable sheath?

    <p>To indicate the size and type of the conductors in it</p> Signup and view all the answers

    What are GFCI receptacles used for?

    <p>To provide ground fault protection and may affect other outlets within the circuit they are installed in</p> Signup and view all the answers

    What is the purpose of a double pole breaker in a 240 volt circuit?

    <p>To disconnect both the hot and neutral wires if a fault occurs</p> Signup and view all the answers

    What is the significance of non-metallic (NM) cable in household wiring?

    <p>It is commonly used for residential wiring and has markings indicating the size and type of conductors</p> Signup and view all the answers

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