Doorbell

The voltage used in the doorbell electrical system is normally...

• 12 V

• 16 V

• 120 V

The main parts of the doorbell electrical installation are...

• Transformer/chime/wires/push button

• resistor/capacitor/diode

• Transformer/Relay/wires

In terms of voltage the transformer used in the doorbell is classified as.

• Step up Transformer

• Step down Transformer

• Center tap Transformer

What size of breaker should be used in the installation of the doorbell if the amperage is 8 A?

If the turns ratio of a transformer in the doorbell system is 10:1. The output voltage of it will be...

• 12 V

• 24 V

• 48 V

What is the control device used in the doorbell?

• SPST

• Three way

• Push button

The size of wire used in the doorbell installation is...

• 12 AWG

• 18 AWG

• 12 AWG

The meaning of the abbreviation AWG

The type of current used in the door bell system is...

• Alternating current

• Direct current

• Pulsating Current

The frequency normally used in electrical installations in the Bahamas is...

• 50 Hz

• 60 Hz

• 70 Hz