1. Which of the following statements is true?

    • a) The voltage from the power source to the transformer is lower than the voltage from the transformer to the doorbell assembly.
    • b) The front and rear buttons are connected directly to the power source.
    • c) The transformer is connected to the power source via the doorbell assembly.
    • d) The voltage from the power source to the transformer is higher than the voltage from the transformer to the doorbell assembly.

  2. What is the main function of the transformer?
    • To conducts electricity from the power source to the doorbell assembly
    • To change 120 volt current from the power source to 24 volt current.
    • To change the 24 volt current to 120 volt current.
    • To connect the front and rear buttons to one another.

  3. The terminal strip is part of the
    • transformer
    • doorbell assembly
    • front door button
    • power source

  4. When installing a doorbell, the following sequence of events occurs:
    1. Turn off the power at the main power panel.
    2. Install the transformer on an inside closet wall, using a covered octagon box with a centre knockout.
    3. Install the doorbell assembly on an inside wall.
    4. Install the positive (hot) wire from the transformer to the terminal strip on the doorbell assembly.
    5. Install the positive (hot) wire from the terminal strip on the doorbell assembly to the front and rear doors.
    6. Connect the ground wires from the transformer, and the front and rear doors using a wire nut.
    7. Install the front and rear buttons, and connect them to the wires at the doors. 

What should be done next?

  1. The wire from the front and rear buttons to the terminal strip should be
    • 2-wire cable
    • 3-wire cable
    • 18-gauge doorbell wire
    • 24-gauge doorbell wire

 

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