Deck 16: Typical Bell Circuits

Question 1

The accompanying bell circuit is an example of a(n) ____________________ circuit.

Answer 1

series

Question 2

According to the rules for bell circuits, both sides of the voltage source are connected directly to the bell.

Answer 2

False

Question 3

In a bell circuit, when the pushbutton is depressed, the circuit is open; when the button is released, the circuit is closed.

Answer 3

False

Question 4

When a bell is controlled by multiple push buttons, the pushbuttons are connected in ____________________, and the pushbutton combination is in series with the bell.

Question 5

A combination bell and buzzer unit must contain at least two electromagnets.

Question 6

The accompanying figure shows a broken combination bell and buzzer. Explain exactly what is broken and which part(s) will and will not work.

Question 7

Several signaling devices, each controlled from a separate pushbutton, may be used on the same bell transformer.

Question 8

The accompanying figure shows a combination bell-buzzer unit. Explain what each of the three terminals should be connected to in order to create a functioning circuit.

Question 9

In a standard doorbell, the ____________________ and contact points are ungrounded, while the armature and terminal E are grounded to the case.

Question 10

According to the National Electrical Code®, bell wires must not come closer than ____________________ inches to open lighting or power conductors unless the bell wires are permanently separated from the lighting or power conductors by some approved type of insulation in addition to the insulation on the wire.